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picture1_Water Cycle Ppt 80192 | Sushel Ewcv


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File: Water Cycle Ppt 80192 | Sushel Ewcv
user needs and essential water cycle variables ewvs developed by 1 geo uic sba water 2010 geoss water strategy report cop 2015 through review process with wide acceptance by the ...

icon picture PPTX Filetype Power Point PPTX | Posted on 07 Sep 2022 | 3 years ago
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       User Needs and Essential Water Cycle Variables 
                        (EWVs)
    •
    Developed by (1) GEO-UIC-SBA-Water (2010) & GEOSS Water Strategy 
    Report CoP—(2015)
    •
    Through review process with wide acceptance by the community
    •
    EWVs are linked to applications and end-users.  They are derived by 
    reviewing/consolidating  user-needs/requirements (for observations of 
    water variables) in all GEO user sectors as defined by the GEO SBA’s 
    •
    Community agreement reached by review (process) and consensus
    •
    EWVs are linked to international bodies (GEO and collaborating 
    Member Organizations)
    •
    Data base with information on EWVs: Various, as maintained by  
    national, regional and international organizations and programs.
     
     
                               Broad User Categories
       •   Water Cycle Monitoring
       •   Water Cycle Modeling/Prediction
       •   Decision Support—Agriculture
       •   Decision Support--Climate
       •   Decision Support—Energy
       •   Decision Support—Ecosystems
       •   Decision Support—Biodiversity
       •   Decision Support—Health
       •   Decision Support--Land Management
       •   Decision Support—Oceans (Coastal)
       •   Decision Support—Water/Water Resources (Management)
       •   Decision Support—Weather
                               Broad User Categories
                                           9 GEO SBA’s
       •  Agriculture
       •  Disasters
       •  Health
       •  Biodiversity
       •  Ecosystems
       •  Water
       •  Climate
       •  Energy
       •  Weather
       [ EWVs include/incorporate ECV’s (Essential Climate Variables—ECVs--as per 
       GCOS, UNFCCC, IPCC]
       [Each User Category was expanded into functional elements before 
       requirements were consolidated.  E.g., WRM includes stream flow 
       forecasting , reservoir management, drought monitoring/forecasting…etc.]
             Definitions: Essential Water Variables (EWV) are 
           defined as water variables/parameters that address 
          “user”-defined critical requirements for one or more 
                                     of the following:
      •  (1) Observational “monitoring” of key elements of the global and 
         regional/local water cycle,
      •  (2) Observations required by diagnostic and/or land 
         surface/hydrological prediction models that are used to generate 
         derived products for the end-user communities, and
      •  (3) Observational and model-derived variables and parameters 
         required by users of water data/information products as applied 
         to various inter-disciplinary decision support systems and tools.
      [Capture Key Elements of the Earth-Climate System—Figure-1]
  Figure 1. The water cycle dominates the Earth-climate 
  system, as shown in this schematic of the water cycle 
          (USGCRP,2003).
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...User needs and essential water cycle variables ewvs developed by geo uic sba geoss strategy report cop through review process with wide acceptance the community are linked to applications end users they derived reviewing consolidating requirements for observations of in all sectors as defined s agreement reached consensus international bodies collaborating member organizations data base information on various maintained national regional programs broad categories monitoring modeling prediction decision support agriculture climate energy ecosystems biodiversity health land management oceans coastal resources weather disasters definitions ewv parameters that address critical one or more following observational key elements global local required diagnostic surface hydrological models used generate products communities model applied inter disciplinary systems tools figure dominates earth system shown this schematic usgcrp...

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