Variables | Frequency | Aggregation | EUP_WP21 | EUP_WP22 | EUP_WP23 | SPECS_WP6.1 | Available at SYSTEM4 seasonal hindcast | Available at CFS_v2 reforecast | Available at SPECS | Comments
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Air temperature | Daily | mean | | GSS, HI, HyI, HDD, UDIC | AQUATOOL, E-HYPE, CGMS, LPJml, JULES, GUESS, MORDOR , (IC3) | VORTEX, ENEA | mean2t24 | Derived (mean): tmp2m (6h) | tas |
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Air temperature | Daily | minimum | | T<-17ºC, CI | CGMS, GUESS, GLAM, (AQUATOOL), (E-HYPE), (MORDOR) | ULEEDS | mn2t24 | tmin | tasmin |
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Air temperature | Daily | maximum | | HI, FWI | CGMS, GUESS, GLAM, (AQUATOOL), (E-HYPE), (MORDOR) | ULEEDS, ENEA | mx2t24 | tmax | tasmax |
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Air temperature | Monthly | mean | | | (IC3) | | mean2t24 | tmp2m | tas |
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Precipitation | Daily | mean | | GSP, HyI | AQUATOOL, E-HYPE, CGMS, LPJml, JULES, GUESS, GLAM, MORDOR, (IC3) | ULEEDS, IC3 | tp | prrate | pr | Accumulated or flux, which is preferred?
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Precipitation | Monthly | | | | (IC3) | | tp | prrate | pr |
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Surface downwelling shortwave flux in air | Daily | mean | | | CGMS, LPJml, JULES, GLAM, (MORDOR) | ULEEDS, ENEA, IC3 | ssrd | dswsfc | rsds |
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Surface downwelling longwave flux in air | Daily | mean | | | CGMS, LPJml, JULES | | strd | dlwsfc | rlds |
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U-component Wind speed (at 10m) | Daily | mean | | | | VORTEX, ENEA | 10u (6h) | u-wnd10m (6h) | uas |
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V-component Wind speed (at 10m) | Daily | mean | | | | VORTEX, ENEA | 10v (6h) | v-wnd10m (6h) | vas |
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Wind speed (at 10m) | Daily | mean | | FWI | CGMS, JULES, (AQUATOOL), (E-HYPE) | | Derived:10u (6h), 10v (6h) | Derived:u-wnd10m (6h), v-wnd10m (6h) | Derived:uas (24h), vas (24h) |
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Wind speed (at 10m) | Daily | maximum | | | (GUESS) | | Derived:10u (6h), 10v (6h) | Derived:u-wnd10m (6h), v-wnd10m (6h) | Derived:uas (24h), vas (24h) |
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Wind speed (at 10m) | Monthly | mean | | CFU | | | Derived:10u (6h), 10v (6h) | Derived:u-wnd10m (6h), v-wnd10m (6h) | Derived:uas (mon), vas (mon) |
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Geopotential 850mb | Daily | mean | | | | VORTEX, ENEA | z850 | Derived:z850 (6h) | Proxy: zg850 (mon) |
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U-component 850mb Wind speed | Daily | mean | | | | VORTEX | u850 | wnd850 | Proxy: ua850 (mon) |
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V-component 850mb Wind speed | Daily | mean | | | | VORTEX | v850 | wnd850 | Proxy: va850 (mon) |
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U-component 925mb wind speed | Daily | mean | | | | VORTEX | u925 | wnd925 | No. |
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V-component 925mb wind speed | Daily | mean | | | | VORTEX | v925 | wnd925 | No. |
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Geopotential height at 700hPa | Daily | At 12 UTC | X | | MORDOR | | Derived:z700 (12h) | gpm700 | No. |
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Geopotential height at 1000hPa | Daily | At 12 UTC | X | | MORDOR | | Derived:z1000 (12h) | gpm1000 | No. |
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Surface Runoff | Daily | mean | | | (AQUATOOL) | | sro | runoff | No. |
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Sea level pressure | Daily | mean | | | | VORTEX | msl | Proxy:pressfc (6h) | psl |
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Dew point temperature | Daily | mean | | UDIC | (E-HYPE) | | 2d | Proxy:q2m (6h), tmp2m (6h), pressfc (6h) | tdps |
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Total Runoff | Monthly | | | | (AQUATOOL) | | ro) | No. | mrro | Monthly?
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Snowfall flux | Daily | mean | | | GUESS, (E-HYPE) | | sf | No. | prsn |
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Water Evaporation from Soil | Daily | | | | (GUESS) | | e | No. | Evlwr | *Find out if they include transpiration
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Water Evaporation from Soil | Monthly | | | | GUESS, (AQUATOOL) | | e | No. | Evlwr | *Find out if they include transpiration.Monthly?
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Water Content of Soil Layer | Daily | mean | | | (GUESS) | | Derived: swvl1, swvl2, swvl3, swvl4 (24h) | Proxy: soilm1, soilm2, soilm3, soilm4 (6h) | No. | Total?
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Water Content of Soil Layer | Monthly | | | | GUESS, (AQUATOOL) | | Derived: swvl1, swvl2, swvl3, swvl4 (24h) | Proxy: soilm1, soilm2, soilm3, soilm4 (6h) | No. | Monthly?
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Sea surface temperature | Daily | mean | | | | VORTEX | sst | No. | Proxy: tos (mon) |
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Sub-surface runoff rate | Daily | mean | | | (AQUATOOL) | | ssrd | No. | No. | Acording to System4 documentation, they are only available from 1981-1990 and 2009 to present
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Geopotential 925mb | Daily | mean | | | | VORTEX, ENEA | z925 | No. | No. |
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Wind Gust | Daily | maximum | | | (GUESS) | | 10fg | No. | No. |
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Precipitation | At noon | Accumulated in the last 24h | | FWI | | | No. | prrate | pr |
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Total Soil Moisture Content | Daily | mean | | | (AQUATOOL) | | Proxy:swvl1, swvl2, swvl3, swvl4 (24h) | Derived (sum: soilm1, soilm2, soilm3, soilm4)(6h) | mrso |
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Surface air pressure | Daily | mean | | | JULES, (IC3, E-HYPE) | | Proxy:msl (6h) | pressfc | Proxy:psl (24h) |
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Surface air pressure | Monthly | | | | (IC3) | | Proxy:msl (6h) | pressfc | Proxy:psl (24h) |
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Specific humidity | Daily | mean | | | JULES, (AQUATOOL), (GUESS), (GLAM) | | No. | q2m | No. |
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Moisture in Upper Portion of Soil Column | Monthly | | | | (AQUATOOL) | | Proxy:swvl1 (24h) | soilm1 | No. | What does Upper Portion mean?, Monthly?
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Surface downwelling longwave flux in air | At 7am, 2pm and 9pm (local time) | point | | PET | | | Proxy: strd (24h) | No. (6havgd:dlwsfc) | No. |
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Surface downwelling shortwave flux in air | At 7am, 2pm and 9pm (local time) | point | | PET | | | Proxy: ssrd (24h) | No. (6havgd:dswsfc) | No. |
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Cloud area fraction | Daily | mean | | | | ENEA | Proxy:tcc(6h) | No. | clt |
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Air temperature | At 7am, 2pm and 9pm (local time) | point | | PET | | | Proxy: 2t (6h) | Proxy: tmp2m (6h) | Proxy: tas (6h) |
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Relative humidity | At 7am, 2pm and 9pm (local time) | point | | PET | | | Proxy:2d (6h) | Proxy:q2m(6h), tmp2m (6h), pressfc (6h) | Proxy:tdps (24h) |
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Relative humidity | At noon local standard time or daily mean | point | | FWI | | | Proxy:2d (6h) | Proxy:q2m (6h), tmp2m (6h), pressfc (6h) | Proxy:tdps (24h) |
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Relative humidity | Daily | mean | | | CGMS, (E-HYPE) | | Proxy:2d(6h) | Proxy:q2m (6h), tmp2m (6h), pressfc (6h) | Proxy:tdps (24h) |
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Wind speed (at 10m) | At 7am, 2pm and 9pm (local time) | point | | PET | | | Proxy:10u (6h), 10v (6h) | Proxy:u-wnd10m (6h), v-wnd10m (6h) | Proxy:uas (24h), vas (24h) |
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Wind speed (at 10m) | At noon local standard time | point | | FWI | | | Proxy:10u (6h), 10v (6h) | Proxy:u-wnd10m (6h), v-wnd10m (6h) | Proxy:uas (24h), vas (24h) |
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Cloudiness (in octas) | At 7am, 2pm and 9pm (local time) | point | | PET | | | Proxy:tcc (6h) | No. | Proxy: clt (24h) |
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Relative humidity at 300mb | Daily | mean | | | | VORTEX | Proxy:t (12h),q (12h) | No. | No. |
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Ozone | Daily | mean | | | (JULES) | | Proxy:O3. Ozone max mixing ratio (12h) or Proxy: tco3. Total column ozone (24h) | No. | No. | It needs clarification
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Skin temperature | Daily | mean | | | Meteoswiss | | No. | Proxy: tmpsfc (6h) | No. |
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Air temperature | At noon local standard time | point | | FWI | | | No. | No. | No. |
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1.5M Temperature over tiles | Daily | mean | | | (GUESS) | | No. | No. | No. |
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1.5M Temperature over tiles | Daily | maximum | | | (GUESS) | | No. | No. | No. |
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1.5M Temperature over tiles | Daily | minimum | | | (GUESS) | | No. | No. | No. |
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Precipitation | hourly rate | maximum | | | GUESS | | No. | No. | No. |
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50 metre wind u-component B grid | Daily | mean | | | IC3, (MORDOR) | | No. | No. | No. |
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50 metre wind u-component B grid | Monthly | | | | IC3 | | No. | No. | No. |
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50 metre wind v-component B grid | Daily | mean | | | IC3, (MORDOR) | | No. | No. | No. |
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50 metre wind v-component B grid | Monthly | | | | IC3 | | No. | No. | No. |
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U-component 100 metre wind speed | Daily | mean | | | | VORTEX, ENEA, IC3 | No. | No. | No. |
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V-component 100 metre wind speed | Daily | mean | | | | VORTEX, ENEA, IC3 | No. | No. | No. |
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Surface snow amount | Daily | mean | | | GUESS | | No. | No. | No. |
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Surface moisture | Daily | mean | | UDIC | | | No. | No. | No. | What does it refer to? Humidity? Water in soil?
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Clear-sky (II) down surface SW flux | Daily | mean | | | IC3, (GUESS) | | No. | No. | No. | What does (II) refer to?
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Clear-sky (II) down surface SW flux | Monthly | | | | IC3 | | No. | No. | No. |
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Water sublimation flux | Daily | mean | | | E-HYPE | | No. | No. | No. |
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1.5M Specific humidity over tiles | Daily | mean | | | (GUESS) | | No. | No. | No. |
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Gridbox outflow | Daily | mean | | | (Metoffice) | | No. | No. | No. | This variable needs clarification
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Net primary productivity | Daily | mean | | | (Metoffice) | | No. | No. | No. | What does it mean?
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Net primary productivity on PFTS | Daily | mean | | | (Metoffice) | | No. | No. | No. | What does it mean?
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Net down surface LW rad. flux (used for rlus) | Daily | mean | | | (JULES) | | No. | No. | No. |
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Diffuse flux | Daily | mean | | | (JULES) | | No. | No. | No. |
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Canopy throughfall rate | Daily | mean | | | (AQUATOOL) | | No. | No. | No. |
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Evaporation from Canopy | Daily | mean | | | (AQUATOOL) | | No. | No. | No. |
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Transpiration+soil evp on tiles | Daily | mean | | | (AQUATOOL) | | No. | No. | No. |
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Transpiration | Monthly | | | | (AQUATOOL) | | No. | No. | No. | Monthly?
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Soil Frozen Water Content | Monthly | | | | (AQUATOOL) | | No. | No. | No. | Monthly?
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Solar Radiation (Global Horizontal Radiation) | Daily | mean | | | | ULEEDS, ENEA, IC3 | No. | No. | No. | It needs clarification. Horizontal?
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