The concentration of all dissolved substances in water, usually expressed in milligrams per litre, which would remain as a solid residue after removal of the water. [Manual on Water Quality Monitoring (WMO-No. 680). 1988]
Total dissolved solids
12267
Flux of carbon dioxide from the surface to the atmosphere
CO2 flux
422
Volume of water contained in a lake at a given water level. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Lake volume
12280
Rate of movement of sediments in a stream at a given cross-section. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Sediment discharge
12270
Elevation of the water table or piezometric surface of an aquifer at a certain location and time. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Groundwater level
166
Amount (weight, mass or volume) of sediment that moves on or near the streambed by rolling, sliding, or saltating (bed load) transported through a cross-section of a stream per unit time. [Based on 'bed load discharge' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Bed load discharge
12271
The mass removed from the glacier at a point on its surface expressed over a stated period of time.
Surface ablation at a point
12012
Map of land surface heights.
Land surface topography
237
Maximum rate at which water can penetrate the soil matrix per unit area under certain conditions. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Infiltration capacity
12262
Ice thickness
725
Power radiated by the fire occurring within an area.
Fire radiative power
387
Ice thickness
726
Temperature of the fire occurring within an area.
Fire temperature
388
Property of a porous medium or fractured rock which, according to Darcy's law, relates the specific discharge to the hydraulic gradient. [based on 'hydraulic conductivity' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Hydraulic conductivity
12256
Rate at which water is transferred through a unit width of an aquifer under a unit hydraulic gradient. [Based on 'transmissivity' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Hydraulic transmissivity
12257
52
Velocity of the ice measured at the surface of a glacier.
Glacier motion
611
Map of the height of the glacier surface.
Glacier topography
612
Processed from land surface imagery by assigning identified cluster(s) within a given area to specific classes of objects - Accuracy expressed as number of classes. Actually [ classes-1 ] is used, so that smaller figure corresponds to better performance, as usual.
Land cover
236
Ratio of the distance covered by a body of water, moving in a specified direction, to the time taken to cover that distance. [Based on 'velocity' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Stream velocity
12322
The result of all processes adding and removing mass from the glacier at a point on its surface, expressed over a stated period of time
Glacier mass balance at a point
12009
Velocity at a given cross-section of a stream, obtained by dividing the discharge by the cross-sectional area of the stream at that section. [Based on 'mean velocity' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Stream mean velocity
12323
Observed variable - measurand (terrestrial and hydrological)
Volume of water flowing through a stream (or channel) cross-section per unit time. [Based on 'discharge' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Stream discharge
171
Volume of the void spaces through which water or other fluids can travel in rock or sediment, divided by the total volume of the rock or sediment. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Effective porosity
12259
Volume of geological formation capable of storing, transmitting and yielding exploitable quantities of water. [Based on 'aquifer' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Aquifer volume
12255
Total amount of vegetation in a reference area
Biomass
423
The Vertical depth of the water that would be obtained if the snow cover melted completely, which equates to the snow-cover mass per unit area.
Water equivalent of snow cover
631
Observed variable - measurand (terrestrial and hydrological)
Result of the classification of different types of vegetation within a vegetated area - Accuracy expressed as inverse of the number of classes, so that smaller figures correspond to better performance.
Vegetation type
427
Fraction of PAR absorbed by vegetation (land or marine) for photosynthesis processes (generally around the 'red' frequencies).
Fraction of Absorbed PAR (FAPAR)
563
Fraction of an area flood by water.
Wetland extent
243
Volume of groundwater flowing through an aquifer per unit time. [Based on International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Groundwater flow
12265
Volume of water in a reservoir between the minimum and maximum water levels under normal operating conditions. Synonyms: usable storage, active storage, available storage capacity. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Live storage
12278
Volume of a reservoir including dead storage. Synonym: total storage. [Based on 'total storage' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Reservoir storage
12279
The standard depths for soil temperature measurements are 5, 10, 20, 50 and 100 cm below the surface; additional depths may be included. The site for such measurements should be a level plot of bare ground (about 75 cm^2 ) and typical of the surrounding soil for which information is required.
Soil temperature
596
The result of all processes adding and removing mass from the glacier at its surface, expressed over a stated period of time and integrated over the entire glacier area
Glacier-wide mass balance
12010
The mass added to the glacier at a point on its surface expressed over a stated period of time.
Surface accumulation at a point
12011
The area of snow-covered ground, ice, or firn based on the fractional threshold used to define presence of snow.
Snow cover extent
628
That part of the total transported sediment which is suspended by turbulence in the flowing water for considerable periods of time without contact with the stream bed, moving with almost the same velocity as the flowing water and generally expressed in mass or volume per unit of time. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Suspended sediment load
12272
Fraction of a land area where fire is occurring.
Fire fractional cover
386
Amount of water present beneath the ground surface per unit area.
Groundwater (amount per unit area)
165
Surface velocity of a single rock glacier unit.
Rock glacier velocity
12283
Flux of downwelling photons of wavelength 400-700 nm.
Photosynthetically Active Radiation (PAR)
564
Difference in the stage of water surface over a short stream reach. [Based on 'water surface slope' in Manual on Stream Gauging (WMO-No. 1044), Volume II. 2010.]
Water surface slope
12325
Ratio of runoff depth to precipitation depth. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Runoff coefficient
12275
That part of the precipitation which flows on the ground surface (surface runoff) or within the soil (subsurface runoff or interflow) and is generally expressed in mass or volume per unit of time, its equivalent in linear units (as the height of a water layer covering a given area) or as a fraction of precipitation. [Based on International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Runoff
12274
Result of the classification of different types of soil within an area - Accuracy expressed as inverse of the number of classes, so that smaller figures correspond to better performance.
Soil type
246
A binary observation of the presence of snow cover at the measurement location.
Presence of snow
12007
Vertical depth of the water that would be obtained if the freshly fallen snow melted completely, which equates to the new snow mass per unit area.
Water equivalent of snowfall
12008
Fractional content of water in a volume of wet soil. Typically in a layer from the surface down to approximately 3 meters.
Soil moisture (in the roots region)
527
Fractional content of water in a volume of wet soil. Surface layer (upper few centimetres).
Soil moisture at surface
528
Elevation of the free water surface of a water body flowing in an open or closed conduit. [Based on 'water level'and 'stream' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Stream level
172
Quantity of water evaporated from the soil and plants when the ground is at its natural moisture content.
Evaporation
510
Binary product (dry or wet) expressing the presence of liquid water at the surface of the snow cover.
Snow surface state
630
Location of coastlines (Lat/Long)
Coastlines
232
Ground temperature measured in the permafrost.
Permafrost temperature
12014
Thickness of the surface layer of the ground that is subject to annual thawing and freezing in areas underlain by permafrost.
Active layer thickness
12015
Ratio of the volume of water which can be drained by gravity from an initially saturated porous medium to the total volume of the porous medium. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Specific yield
12264
Natural or artificial introduction of water into the saturated zone of an aquifer for a unit time. [Based on 'groundwater recharge' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Recharge rate
12254
Percentage of water in soil expressed relative to dry-soil weight or by volume.Synonym: water content of soil. [Based on 'soil moisture content' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Soil moisture
12277
Well discharge
174
Difference between maximum (in NIR) and minimum (around the Red) vegetation reflectance, normalised to the summation. Representative of total biomass, supportive for computing LAI if not directly measured.
Normalised Difference Vegetation Index (NDVI)
426
Temperature of the lake surface.
Lake Surface Temperature
410
Map of ice sheet height over land.
Ice sheet topography
613
The vertical depth of freshly fallen snow that has accumulated during a specific period.
Depth of snowfall
627
Area enclosed by the projection of the glacier outline onto the surface of an ellipsoid approximating the surface of the Earth or onto a planar horizontal approximation to that ellipsoid. The glacier area excludes nunataks but includes debris-covered parts of the glacier. The glacier outline separates the glacier from unglacierized terrain and from contiguous glaciers.
Glacier area
12013
Flow of water through the soil surface into a porous medium for a unit time. [Based on 'infiltration' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Infiltration rate
12261
Amount of suspended sediment (suspended by turbulence for considerable periods of time without contact with the bed) crossing a stream section per unit time. [Based on 'suspended sediment' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Suspended sediment discharge
12281
Area extent of the surface of a lake.
Lake area
167
A velocity that is representative of the average stream velocity; often measured in a profile or across the stream or over the water surface. [Based on 'velocity index method' in Manual on Stream Gauging (WMO-No. 1044), Volume II. 2010]
Stream index velocity
12282
Runway conditions
239
Vertical distance from the snow surface to a stated reference level.
Snow depth
629
Total quantity of sediment passing through a reach, both in suspension and along the bed, excluding the sediment deposited on the bed within the reach. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Total sediment load
12273
Ratio of discharge of a well to drawdown at equilibrium. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Specific capacity (well)
12263
Soil heat Flux
245
Temperature of the apparent surface of land (bare soil or vegetation).
Land surface temperature
389
The component of an unacidified water sample that is retained by a 0.45-nm membrane filter. [Manual on Water Quality Monitoring (WMO-No. 680). 1988]
Suspended sediment
12268
Ratio of the volume of the interstices in a given sample of a porous medium to the gross volume of the sample, inclusive of voids. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Porosity
12258
Velocity of a stream at its surface at a given point. [Based on 'surface velocity' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Stream surface velocity
12324
Elevation of the free water surface of a water body relative to a reference datum (synonym: stage, gage height). [Based on 'water level' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Water level
12252
Flow of a liquid through an unsaturated porous medium, such as that of water in soil under the effect of gravity for a unit time. [Based on 'percolation' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Percolation rate
12253
(1) Impounding of water in surface or underground reservoirs for future use. (2) Volume of water stored. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Storage
12266
Fraction of a land area where vegetation is present.
Fraction of vegetated land
424
LAI (Leaf Area Index, LAI) is the total one-sided area of photosynthetic tissue per unit ground surface area.
Leaf Area Index (LAI)
425
Elevation of water in an inland body of surface water of significant extent. [Based on 'water level' and 'lake' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Lake level
168
Breaking action-friction coefficient
231
2024-01-02T17:12:38.555Z
Runoff volume from a drainage basin, divided by its area, in a specified time. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Depth of runoff
12276
Amount of water held in the soil after gravitational water has drained away expressed as a volume percentage. [Based on 'specific retention' and 'field capacity' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Specific retention
12260
2022-11-14T14:49:45.091Z
1
12267
Total dissolved solids
The concentration of all dissolved substances in water, usually expressed in milligrams per litre, which would remain as a solid residue after removal of the water. [Manual on Water Quality Monitoring (WMO-No. 680). 1988]
amilan17
https://api.github.com/users/amilan17
Volume of a reservoir including dead storage. Synonym: total storage. [Based on 'total storage' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
12279
2022-11-14T14:49:47.911Z
amilan17
https://api.github.com/users/amilan17
1
Reservoir storage
amilan17
https://api.github.com/users/amilan17
Area enclosed by the projection of the glacier outline onto the surface of an ellipsoid approximating the surface of the Earth or onto a planar horizontal approximation to that ellipsoid. The glacier area excludes nunataks but includes debris-covered parts of the glacier. The glacier outline separates the glacier from unglacierized terrain and from contiguous glaciers.
12013
Glacier area
2
2020-11-13T08:52:24.136Z
2020-11-13T08:35:02.783Z
Aquifer volume
amilan17
https://api.github.com/users/amilan17
2022-11-14T14:49:42.506Z
12255
1
Volume of geological formation capable of storing, transmitting and yielding exploitable quantities of water. [Based on 'aquifer' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Map of land surface heights.
3
2019-10-14T16:36:31.267Z
2020-04-29T14:25:36.678Z
Land surface topography
2020-04-29T14:26:16.218Z
237
kurt-hectic
https://api.github.com/users/kurt-hectic
2022-11-14T14:50:00.995Z
2020-04-29T14:25:36.673Z
kurt-hectic
https://api.github.com/users/kurt-hectic
172
Stream level
Elevation of the free water surface of a water body flowing in an open or closed conduit. [Based on 'water level'and 'stream' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
4
2020-04-29T14:26:16.214Z
2019-10-14T16:36:31.299Z
564
kurt-hectic
https://api.github.com/users/kurt-hectic
Flux of downwelling photons of wavelength 400-700 nm.
2019-10-14T16:36:31.293Z
3
2020-04-29T14:26:16.233Z
2020-04-29T14:25:36.701Z
Photosynthetically Active Radiation (PAR)
kurt-hectic
https://api.github.com/users/kurt-hectic
Vertical distance from the snow surface to a stated reference level.
Snow depth
629
2019-10-14T16:36:31.312Z
2020-04-29T14:26:16.239Z
3
2020-04-29T14:25:36.709Z
2020-04-29T14:26:16.242Z
2020-04-29T14:25:36.719Z
2019-10-14T16:36:31.271Z
726
kurt-hectic
https://api.github.com/users/kurt-hectic
Ice thickness
3
2
amilan17
https://api.github.com/users/amilan17
2022-11-14T15:24:24.379Z
2022-11-14T14:49:42.759Z
Hydraulic conductivity
Property of a porous medium or fractured rock which, according to Darcy's law, relates the specific discharge to the hydraulic gradient. [based on 'hydraulic conductivity' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
12256
Permafrost temperature
Ground temperature measured in the permafrost.
12014
amilan17
https://api.github.com/users/amilan17
1
2022-06-22T12:37:57.081Z
The component of an unacidified water sample that is retained by a 0.45-nm membrane filter. [Manual on Water Quality Monitoring (WMO-No. 680). 1988]
Suspended sediment
1
2022-11-14T14:49:45.353Z
amilan17
https://api.github.com/users/amilan17
12268
kurt-hectic
https://api.github.com/users/kurt-hectic
2020-04-29T14:26:16.217Z
236
3
2020-04-29T14:25:36.677Z
Processed from land surface imagery by assigning identified cluster(s) within a given area to specific classes of objects - Accuracy expressed as number of classes. Actually [ classes-1 ] is used, so that smaller figure corresponds to better performance, as usual.
Land cover
2019-10-14T16:36:31.276Z
kurt-hectic
https://api.github.com/users/kurt-hectic
Stream discharge
5
Volume of water flowing through a stream (or channel) cross-section per unit time. [Based on 'discharge' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
2020-04-29T14:25:36.672Z
2019-10-14T16:36:31.277Z
2022-11-14T15:24:24.836Z
2020-04-29T14:26:16.213Z
171
2019-10-14T16:36:31.284Z
3
2020-04-29T14:26:16.233Z
2020-04-29T14:25:36.7Z
Fraction of PAR absorbed by vegetation (land or marine) for photosynthesis processes (generally around the 'red' frequencies).
Fraction of Absorbed PAR (FAPAR)
563
kurt-hectic
https://api.github.com/users/kurt-hectic
The area of snow-covered ground, ice, or firn based on the fractional threshold used to define presence of snow.
2019-10-14T16:36:31.287Z
Snow cover extent
kurt-hectic
https://api.github.com/users/kurt-hectic
2020-04-29T14:26:16.239Z
3
2020-04-29T14:25:36.708Z
628
2020-04-29T14:25:36.712Z
Ice thickness
725
2020-04-29T14:26:16.242Z
3
2019-10-14T16:36:31.269Z
kurt-hectic
https://api.github.com/users/kurt-hectic
2
Groundwater flow
2022-11-14T15:24:24.619Z
12265
2022-11-14T14:49:44.667Z
amilan17
https://api.github.com/users/amilan17
Volume of groundwater flowing through an aquifer per unit time. [Based on International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
1
Soil moisture
12277
Percentage of water in soil expressed relative to dry-soil weight or by volume.Synonym: water content of soil. [Based on 'soil moisture content' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
amilan17
https://api.github.com/users/amilan17
2022-11-14T14:49:47.436Z
2020-11-13T08:52:42.107Z
2
12011
amilan17
https://api.github.com/users/amilan17
The mass added to the glacier at a point on its surface expressed over a stated period of time.
Surface accumulation at a point
2020-11-13T08:35:02.374Z
2022-11-14T14:49:42.125Z
amilan17
https://api.github.com/users/amilan17
Flow of a liquid through an unsaturated porous medium, such as that of water in soil under the effect of gravity for a unit time. [Based on 'percolation' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
12253
Percolation rate
1
3
2019-10-14T16:36:31.305Z
kurt-hectic
https://api.github.com/users/kurt-hectic
174
Well discharge
2020-04-29T14:25:36.674Z
2020-04-29T14:26:16.214Z
2020-04-29T14:25:36.68Z
239
2020-04-29T14:26:16.219Z
Runway conditions
3
kurt-hectic
https://api.github.com/users/kurt-hectic
2019-10-14T16:36:31.31Z
Volume of water in a reservoir between the minimum and maximum water levels under normal operating conditions. Synonyms: usable storage, active storage, available storage capacity. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
2022-11-14T14:49:47.667Z
amilan17
https://api.github.com/users/amilan17
1
12278
Live storage
Natural or artificial introduction of water into the saturated zone of an aquifer for a unit time. [Based on 'groundwater recharge' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
amilan17
https://api.github.com/users/amilan17
1
Recharge rate
2022-11-14T14:49:42.315Z
12254
2020-11-13T08:52:37.448Z
The mass removed from the glacier at a point on its surface expressed over a stated period of time.
2
amilan17
https://api.github.com/users/amilan17
2020-11-13T08:35:02.549Z
Surface ablation at a point
12012
Storage
(1) Impounding of water in surface or underground reservoirs for future use. (2) Volume of water stored. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
amilan17
https://api.github.com/users/amilan17
2022-11-14T14:49:44.889Z
1
12266
12259
amilan17
https://api.github.com/users/amilan17
2022-11-14T14:49:43.394Z
1
Effective porosity
Volume of the void spaces through which water or other fluids can travel in rock or sediment, divided by the total volume of the rock or sediment. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Biomass
kurt-hectic
https://api.github.com/users/kurt-hectic
2020-04-29T14:25:36.691Z
2020-04-29T14:26:16.227Z
423
2019-10-14T16:36:31.278Z
Total amount of vegetation in a reference area
3
2020-04-29T14:25:36.69Z
kurt-hectic
https://api.github.com/users/kurt-hectic
422
3
CO2 flux
2019-10-14T16:36:31.255Z
Flux of carbon dioxide from the surface to the atmosphere
2020-04-29T14:26:16.226Z
410
3
2020-04-29T14:25:36.689Z
2019-10-14T16:36:31.307Z
2020-04-29T14:26:16.225Z
Temperature of the lake surface.
kurt-hectic
https://api.github.com/users/kurt-hectic
Lake Surface Temperature
Lake volume
Volume of water contained in a lake at a given water level. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
12280
2022-11-14T14:49:48.188Z
amilan17
https://api.github.com/users/amilan17
1
4
2020-04-29T14:26:16.21Z
2022-11-14T14:50:00.578Z
166
kurt-hectic
https://api.github.com/users/kurt-hectic
2020-04-29T14:25:36.668Z
Groundwater level
2019-10-14T16:36:31.256Z
Elevation of the water table or piezometric surface of an aquifer at a certain location and time. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
amilan17
https://api.github.com/users/amilan17
Thickness of the surface layer of the ground that is subject to annual thawing and freezing in areas underlain by permafrost.
2022-06-22T12:37:57.309Z
1
12015
Active layer thickness
12257
2022-11-14T14:49:42.947Z
Hydraulic transmissivity
Rate at which water is transferred through a unit width of an aquifer under a unit hydraulic gradient. [Based on 'transmissivity' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
1
amilan17
https://api.github.com/users/amilan17
Leaf Area Index (LAI)
2019-10-14T16:36:31.319Z
2020-04-29T14:25:36.693Z
kurt-hectic
https://api.github.com/users/kurt-hectic
LAI (Leaf Area Index, LAI) is the total one-sided area of photosynthetic tissue per unit ground surface area.
425
2020-04-29T14:26:16.228Z
3
631
Water equivalent of snow cover
3
2019-10-14T16:36:31.279Z
The Vertical depth of the water that would be obtained if the snow cover melted completely, which equates to the snow-cover mass per unit area.
kurt-hectic
https://api.github.com/users/kurt-hectic
2020-04-29T14:25:36.711Z
2020-04-29T14:26:16.241Z
510
2020-04-29T14:26:16.231Z
2020-04-29T14:25:36.696Z
Quantity of water evaporated from the soil and plants when the ground is at its natural moisture content.
2019-10-14T16:36:31.3Z
kurt-hectic
https://api.github.com/users/kurt-hectic
Evaporation
3
Groundwater (amount per unit area)
2019-10-14T16:36:31.289Z
Amount of water present beneath the ground surface per unit area.
2020-04-29T14:26:16.209Z
2022-11-14T14:50:00.457Z
4
2020-04-29T14:25:36.666Z
kurt-hectic
https://api.github.com/users/kurt-hectic
165
Ratio of the volume of the interstices in a given sample of a porous medium to the gross volume of the sample, inclusive of voids. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
1
amilan17
https://api.github.com/users/amilan17
12258
Porosity
2022-11-14T14:49:43.149Z
2020-04-29T14:26:16.228Z
Fraction of a land area where vegetation is present.
2020-04-29T14:25:36.692Z
kurt-hectic
https://api.github.com/users/kurt-hectic
2019-10-14T16:36:31.318Z
3
Fraction of vegetated land
424
2019-10-14T16:36:31.301Z
Binary product (dry or wet) expressing the presence of liquid water at the surface of the snow cover.
2020-04-29T14:25:36.71Z
Snow surface state
630
3
2020-04-29T14:26:16.24Z
kurt-hectic
https://api.github.com/users/kurt-hectic
Velocity of a stream at its surface at a given point. [Based on 'surface velocity' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Stream surface velocity
2024-01-02T17:12:38.089Z
2
12324
amilan17
https://api.github.com/users/amilan17
2020-04-29T14:25:36.671Z
4
2022-11-14T14:50:00.705Z
kurt-hectic
https://api.github.com/users/kurt-hectic
2020-04-29T14:26:16.212Z
168
Lake level
Elevation of water in an inland body of surface water of significant extent. [Based on 'water level' and 'lake' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
2019-10-14T16:36:31.321Z
1
Surface velocity of a single rock glacier unit.
2023-06-27T14:24:23.696Z
amilan17
https://api.github.com/users/amilan17
12283
Rock glacier velocity
12271
2022-11-14T14:49:46.052Z
Amount (weight, mass or volume) of sediment that moves on or near the streambed by rolling, sliding, or saltating (bed load) transported through a cross-section of a stream per unit time. [Based on 'bed load discharge' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
1
amilan17
https://api.github.com/users/amilan17
Bed load discharge
2020-04-29T14:25:36.685Z
kurt-hectic
https://api.github.com/users/kurt-hectic
Fire fractional cover
3
386
2019-10-14T16:36:31.288Z
2020-04-29T14:26:16.222Z
Fraction of a land area where fire is occurring.
kurt-hectic
https://api.github.com/users/kurt-hectic
Result of the classification of different types of vegetation within a vegetated area - Accuracy expressed as inverse of the number of classes, so that smaller figures correspond to better performance.
427
Vegetation type
2020-04-29T14:26:16.23Z
2020-04-29T14:25:36.695Z
3
2019-10-14T16:36:31.28Z
Glacier mass balance at a point
2020-11-13T08:52:29.507Z
amilan17
https://api.github.com/users/amilan17
2020-11-13T08:35:01.971Z
The result of all processes adding and removing mass from the glacier at a point on its surface, expressed over a stated period of time
2
12009
Water surface slope
amilan17
https://api.github.com/users/amilan17
Difference in the stage of water surface over a short stream reach. [Based on 'water surface slope' in Manual on Stream Gauging (WMO-No. 1044), Volume II. 2010.]
2
12325
2024-01-02T17:12:38.552Z
kurt-hectic
https://api.github.com/users/kurt-hectic
Area extent of the surface of a lake.
3
2020-04-29T14:25:36.669Z
167
Lake area
2019-10-14T16:36:31.309Z
2020-04-29T14:26:16.211Z
That part of the total transported sediment which is suspended by turbulence in the flowing water for considerable periods of time without contact with the stream bed, moving with almost the same velocity as the flowing water and generally expressed in mass or volume per unit of time. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
2022-11-14T14:49:46.27Z
1
Suspended sediment load
12272
amilan17
https://api.github.com/users/amilan17
Specific retention
1
Amount of water held in the soil after gravitational water has drained away expressed as a volume percentage. [Based on 'specific retention' and 'field capacity' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
12260
2022-11-14T14:49:43.613Z
amilan17
https://api.github.com/users/amilan17
2019-10-14T16:36:31.306Z
Difference between maximum (in NIR) and minimum (around the Red) vegetation reflectance, normalised to the summation. Representative of total biomass, supportive for computing LAI if not directly measured.
kurt-hectic
https://api.github.com/users/kurt-hectic
3
426
Normalised Difference Vegetation Index (NDVI)
2020-04-29T14:25:36.694Z
2020-04-29T14:26:16.229Z
3
2020-04-29T14:25:36.72Z
Presence of snow
A binary observation of the presence of snow cover at the measurement location.
12007
2020-04-29T14:26:16.243Z
kurt-hectic
https://api.github.com/users/kurt-hectic
2019-10-14T16:36:31.295Z
Ratio of the distance covered by a body of water, moving in a specified direction, to the time taken to cover that distance. [Based on 'velocity' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
2024-01-02T17:12:37.336Z
amilan17
https://api.github.com/users/amilan17
Stream velocity
2
12322
Velocity of the ice measured at the surface of a glacier.
2020-04-29T14:25:36.704Z
3
2020-04-29T14:26:16.236Z
2019-10-14T16:36:31.273Z
611
kurt-hectic
https://api.github.com/users/kurt-hectic
Glacier motion
2020-04-29T14:26:16.224Z
3
2020-04-29T14:25:36.687Z
Fire temperature
388
Temperature of the fire occurring within an area.
2019-10-14T16:36:31.272Z
kurt-hectic
https://api.github.com/users/kurt-hectic
1
2023-06-27T14:24:23.408Z
12281
Suspended sediment discharge
Amount of suspended sediment (suspended by turbulence for considerable periods of time without contact with the bed) crossing a stream section per unit time. [Based on 'suspended sediment' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
amilan17
https://api.github.com/users/amilan17
Wetland extent
3
2019-10-14T16:36:31.285Z
kurt-hectic
https://api.github.com/users/kurt-hectic
2020-04-29T14:26:16.219Z
Fraction of an area flood by water.
243
2020-04-29T14:25:36.68Z
3
2020-04-29T14:26:16.215Z
kurt-hectic
https://api.github.com/users/kurt-hectic
231
2019-10-14T16:36:31.322Z
2020-04-29T14:25:36.675Z
Breaking action-friction coefficient
Vertical depth of the water that would be obtained if the freshly fallen snow melted completely, which equates to the new snow mass per unit area.
2020-04-29T14:25:36.722Z
2019-10-14T16:36:31.296Z
kurt-hectic
https://api.github.com/users/kurt-hectic
3
2020-04-29T14:26:16.244Z
12008
Water equivalent of snowfall
2024-01-02T17:12:37.681Z
2
amilan17
https://api.github.com/users/amilan17
Stream mean velocity
12323
Velocity at a given cross-section of a stream, obtained by dividing the discharge by the cross-sectional area of the stream at that section. [Based on 'mean velocity' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Observed variable - measurand (terrestrial and hydrological)
2019-10-14T16:36:31.252Z
4
2022-11-14T14:55:29.59Z
2020-04-29T14:36:12.977Z
Observed variable - measurand (terrestrial and hydrological)
ObservedVariableTerrestrial
kurt-hectic
https://api.github.com/users/kurt-hectic
1
2022-11-14T14:49:45.829Z
12270
Rate of movement of sediments in a stream at a given cross-section. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
amilan17
https://api.github.com/users/amilan17
Sediment discharge
2023-06-27T14:24:23.551Z
Stream index velocity
amilan17
https://api.github.com/users/amilan17
1
12282
A velocity that is representative of the average stream velocity; often measured in a profile or across the stream or over the water surface. [Based on 'velocity index method' in Manual on Stream Gauging (WMO-No. 1044), Volume II. 2010]
3
2020-04-29T14:26:16.223Z
2020-04-29T14:25:36.686Z
Power radiated by the fire occurring within an area.
387
2019-10-14T16:36:31.27Z
kurt-hectic
https://api.github.com/users/kurt-hectic
Fire radiative power
Ratio of discharge of a well to drawdown at equilibrium. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Specific capacity (well)
1
amilan17
https://api.github.com/users/amilan17
12263
2022-11-14T14:49:44.214Z
1
2022-11-14T14:49:46.919Z
12275
Ratio of runoff depth to precipitation depth. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Runoff coefficient
amilan17
https://api.github.com/users/amilan17
3
kurt-hectic
https://api.github.com/users/kurt-hectic
2019-10-14T16:36:31.286Z
2020-04-29T14:25:36.702Z
The standard depths for soil temperature measurements are 5, 10, 20, 50 and 100 cm below the surface; additional depths may be included. The site for such measurements should be a level plot of bare ground (about 75 cm^2 ) and typical of the surrounding soil for which information is required.
596
Soil temperature
2020-04-29T14:26:16.234Z
2020-04-29T14:26:16.22Z
kurt-hectic
https://api.github.com/users/kurt-hectic
2020-04-29T14:25:36.681Z
245
2019-10-14T16:36:31.313Z
Soil heat Flux
3
Map of ice sheet height over land.
Ice sheet topography
2020-04-29T14:25:36.706Z
613
2019-10-14T16:36:31.308Z
2020-04-29T14:26:16.237Z
kurt-hectic
https://api.github.com/users/kurt-hectic
2020-11-19T12:50:30.866Z
4
Fractional content of water in a volume of wet soil. Surface layer (upper few centimetres).
2020-04-29T14:25:36.699Z
528
kurt-hectic
https://api.github.com/users/kurt-hectic
3
Soil moisture at surface
2020-04-29T14:26:16.232Z
2019-10-14T16:36:31.298Z
Depth of runoff
amilan17
https://api.github.com/users/amilan17
2022-11-14T14:49:47.19Z
Runoff volume from a drainage basin, divided by its area, in a specified time. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
1
12276
2
12252
amilan17
https://api.github.com/users/amilan17
Water level
2024-01-02T17:14:33.508Z
Elevation of the free water surface of a water body relative to a reference datum (synonym: stage, gage height). [Based on 'water level' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
2022-11-14T14:49:41.937Z
12264
Ratio of the volume of water which can be drained by gravity from an initially saturated porous medium to the total volume of the porous medium. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Specific yield
2022-11-14T14:49:44.419Z
amilan17
https://api.github.com/users/amilan17
1
amilan17
https://api.github.com/users/amilan17
2
2020-11-13T08:52:33.537Z
The result of all processes adding and removing mass from the glacier at its surface, expressed over a stated period of time and integrated over the entire glacier area
12010
Glacier-wide mass balance
2020-11-13T08:35:02.139Z
Map of the height of the glacier surface.
Glacier topography
kurt-hectic
https://api.github.com/users/kurt-hectic
2020-04-29T14:25:36.705Z
2019-10-14T16:36:31.275Z
612
3
2020-04-29T14:26:16.236Z
389
kurt-hectic
https://api.github.com/users/kurt-hectic
2020-04-29T14:26:16.225Z
2020-04-29T14:25:36.688Z
Land surface temperature
2019-10-14T16:36:31.316Z
Temperature of the apparent surface of land (bare soil or vegetation).
3
3
2020-04-29T14:26:16.216Z
2019-10-14T16:36:31.302Z
2020-04-29T14:25:36.676Z
Location of coastlines (Lat/Long)
Coastlines
kurt-hectic
https://api.github.com/users/kurt-hectic
232
Soil moisture (in the roots region)
2020-04-29T14:25:36.697Z
Fractional content of water in a volume of wet soil. Typically in a layer from the surface down to approximately 3 meters.
2020-04-29T14:26:16.231Z
5
2022-11-14T14:50:01.141Z
2019-10-14T16:36:31.297Z
kurt-hectic
https://api.github.com/users/kurt-hectic
527
2022-11-14T14:49:43.81Z
amilan17
https://api.github.com/users/amilan17
12261
Flow of water through the soil surface into a porous medium for a unit time. [Based on 'infiltration' in International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
1
Infiltration rate
amilan17
https://api.github.com/users/amilan17
12273
1
2022-11-14T14:49:46.5Z
Total quantity of sediment passing through a reach, both in suspension and along the bed, excluding the sediment deposited on the bed within the reach. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
Total sediment load
Depth of snowfall
627
2019-10-14T16:36:31.308Z
2020-04-29T14:25:36.707Z
2020-04-29T14:26:16.238Z
The vertical depth of freshly fallen snow that has accumulated during a specific period.
3
kurt-hectic
https://api.github.com/users/kurt-hectic
2022-11-14T14:49:46.705Z
amilan17
https://api.github.com/users/amilan17
Runoff
12274
2
2023-06-27T14:24:30.231Z
That part of the precipitation which flows on the ground surface (surface runoff) or within the soil (subsurface runoff or interflow) and is generally expressed in mass or volume per unit of time, its equivalent in linear units (as the height of a water layer covering a given area) or as a fraction of precipitation. [Based on International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
kurt-hectic
https://api.github.com/users/kurt-hectic
3
2019-10-14T16:36:31.294Z
2020-04-29T14:25:36.683Z
2020-04-29T14:26:16.221Z
Soil type
Result of the classification of different types of soil within an area - Accuracy expressed as inverse of the number of classes, so that smaller figures correspond to better performance.
246
Maximum rate at which water can penetrate the soil matrix per unit area under certain conditions. [International Glossary of Hydrology (WMO-No. 385). 2012 edition.]
amilan17
https://api.github.com/users/amilan17
2022-11-14T14:49:44.018Z
12262
Infiltration capacity
1