Requirements defined for Hydrology (18)
This tables shows all related requirements. For more
operations/filtering, please consult the full list of
Requirements
Note: In reading the values, goal is marked blue,
breakthrough green, threshold orange
Application-dependent Technical Priority (ATP) Magenta and Relative priority of the attributes Red
Id | Variable | Layer | App Area | ATP | Uncertainty | Layer/s Quality | Coverage Quality | Stability / decade | Hor Res | Ver Res | Obs Cyc | Timeliness | Coverage | Conf Level | Val Date | Source | General Comment | Application Area Comment | Horizontal Coverage Comment | Observation Comment | Performance Comment |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
402 | Sea-ice cover | Sea surface | Hydrology | 10 % 13 % 20 % |
1 km 3.7 km 50 km |
24 h 2 d 12 d |
24 h 38 h 4 d |
Global ocean | firm | 2003-10-20 | ET ODRRGOS | ||||||||||
403 | Sea-ice elevation | Sea surface | Hydrology | 1 cm 1.3 cm 2 cm |
1 km 3.7 km 50 km |
24 h 2 d 12 d |
24 h 38 h 4 d |
Global ocean | firm | 2003-10-20 | ET ODRRGOS | ||||||||||
393 | Lake area | Land surface | Hydrology | 10 m 292.4 m 250000 m |
24 h 7 d 1 y |
24 h 46 h 7 d |
Global land | reasonable | 2003-10-20 | ET ODRRGOS | |||||||||||
394 | Land cover | Land surface | Hydrology | 0.02 Classes-1 0.04 Classes-1 0.2 Classes-1 |
10 m 300 m 250000 m |
7 d 30 d 1 y |
24 h 2 d 7 d |
Global land | reasonable | 2003-10-20 | ET ODRRGOS | ||||||||||
395 | Land surface temperature | Land surface | Hydrology | 0.3 K 0.6 K 3 K |
0.01 km 0.3 km 250 km |
60 min 6 h 7 d |
24 h 2 d 7 d |
Global land | reasonable | 2003-10-20 | ET ODRRGOS | ||||||||||
396 | Land surface topography | Land surface | Hydrology | 1 m 1.7 m 5 m |
100 m 215.4 m 1000 m |
10 y 17 y 49 y |
30 d 81 d 2 y |
Global land | reasonable | 2003-10-20 | ET ODRRGOS | ||||||||||
397 | Leaf Area Index (LAI) | Land surface | Hydrology | 5 % 8 % 20 % |
0.01 km 0.1 km 10 km |
7 d 11 d 24 d |
24 h 41 h 5 d |
Global land | reasonable | 2003-10-20 | ET ODRRGOS | ||||||||||
398 | Long-wave Earth surface emissivity | Land surface | Hydrology | 5 % 8 % 20 % |
0.01 km 0.292 km 250 km |
24 h 2 d 12 d |
24 h 2 d 12 d |
Global land | reasonable | 2003-10-20 | ET ODRRGOS | ||||||||||
399 | Normalised Difference Vegetation Index (NDVI) | Land surface | Hydrology | 1 % 2.7 % 20 % |
0.01 km 0.292 km 250 km |
24 h 3 d 30 d |
24 h 2 d 7 d |
Global land | reasonable | 2003-10-20 | ET ODRRGOS | ||||||||||
400 | Ocean dynamic topography | Sea surface | Hydrology | 2 cm 3.4 cm 10 cm |
0.1 km 0.464 km 10 km |
24 h 46 h 7 d |
24 h 46 h 7 d |
Global ocean | reasonable | 2003-10-20 | ET ODRRGOS | ||||||||||
401 | Permafrost | Land surface | Hydrology | 5 8.5 25 |
0.1 km 1 km 100 km |
6 h 14 h 3 d |
6 h 17 h 6 d |
Global land | reasonable | 2003-10-20 | ET ODRRGOS | ||||||||||
404 | Snow cover | Land surface | Hydrology | 5 % 8 % 20 % |
0.1 km 1 km 100 km |
24 h 46 h 7 d |
24 h 44 h 6 d |
Global land | reasonable | 2003-10-20 | ET ODRRGOS | ||||||||||
405 | Snow status (wet/dry) | Land surface | Hydrology | 5 HR, FAR 2 HR, FAR |
0.1 km 0.464 km 10 km |
30 min 4 h 12 d |
60 min 5 h 6 d |
Global land | reasonable | 2003-10-20 | ET ODRRGOS | ||||||||||
406 | Snow water equivalent | Land surface | Hydrology | 5 mm 8 mm 20 mm |
0.1 km 0.464 km 10 km |
24 h 46 h 7 d |
24 h 44 h 6 d |
Global land | reasonable | 2003-10-20 | ET ODRRGOS | ||||||||||
407 | Soil moisture at surface | Land surface | Hydrology | 0.01 m3 /m3 0.017 m3 /m3 0.05 m3 /m3 |
0.01 km 0.3 km 250 km |
24 h 34 h 3 d |
24 h 5 d 144 d |
Global land | reasonable | 2003-10-20 | ET ODRRGOS | ||||||||||
408 | Upward short-wave irradiance at TOA | TOA | Hydrology | 5 W/m2 8 W/m2 20 W/m2 |
0.1 km 1.26 km 200 km |
60 min 108 min 6 h |
24 h 46 h 7 d |
Global | reasonable | 2003-10-20 | ET ODRRGOS | ||||||||||
409 | Upward long-wave irradiance at TOA | TOA | Hydrology | 5 W/m2 8 W/m2 20 W/m2 |
10 km 21.5 km 100 km |
60 min 2 h 12 h |
24 h 46 h 7 d |
Global | reasonable | 2003-10-20 | ET ODRRGOS | ||||||||||
410 | Vegetation type | Land surface | Hydrology | 0.02 Classes-1 0.04 Classes-1 0.2 Classes-1 |
10 m 100 m 1000 m |
7 d 30 d 1 y |
24 h 3 d 30 d |
Global land | reasonable | 2003-10-20 | ET ODRRGOS |