System Requirement Document (SRD) - H-SAF

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H -SAFSystem Requirement DocumentDoc. No: SAF/HSAF/SRD/2.1Issue: Version 2.1Date: 20/06/2008Page: 52/102DescriptionCommentThe system shall produce the “Instantaneous and accumulatedprecipitation at the ground computed by a NWP model” product (PR-ASS-1)Verification TSR-32070-FUN-PRG Level O Component PRDescriptionCommentSystem should allow clouds classifications, by mean of SAFNWC/MSGsoftware packageVerification ISR-32080-FUN-PRG Level O Component PRDescriptionCommentSystem should provide spatial/time derivative informations on IR and WVcell pixels, by means of NEFODINA software packageVerification ISR-32090-FUN-PRG Level O Component PRDescriptionCommentSystem should provide space/time continuised field by assimilatingoriginal precipitation data in LAMI NWP modelVerification ISR-32230-FUN-PRG Level Component PRDescriptionCommentA database of regular observation of 1-hour cumulated precipitationparameter shall be locally set upVerification ISR-32240-FUN-PRG Level Component PRDescriptionCommentSystem shall be able to access to datasets for calibration and validationVerification I
H -SAFSystem Requirement DocumentDoc. No: SAF/HSAF/SRD/2.1Issue: Version 2.1Date: 20/06/2008Page: 53/1023.1.4.2 Soil Moisture subsystemSR-31010-FUN-PRG Level Component SMDescriptionCommentThe system shall produce the “Global surface soil moisture by radarscatterometer” product (SM-OBS-1)Verification TSR-31020-FUN-PRG Level Component SMDescriptionCommentResolution of SM-OBS-1 product shall be 25 km (from ASCAT) or 50 km(from MIS)Verification TSR-31030-FUN-PRG Level Component SMDescription Accuracy of SM-OBS-1 product shall be 0.05 m 3 m -3CommentVerification TSR-31040-FUN-PRG Level Component SMDescriptionCommentFrequency of SM-OBS-1 product shall be 36 h (from ASCAT) or 9 h (fromMIS)Verification TSR-31060-FUN-PRG Level Component SMDescriptionComment“Regional surface soil moisture by radar scatterometer” product (SM-OBS-2) shall be derived from SM-OBS-1 one, re-sampling it at 1 kmintervalsVerification TSR-31061-FUN-PRG Level Component SMDescriptionSM-OBS-2 product shall be corrected in topography and projected touser-defined coordinate systems
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System Requirement Document (SRD) - H-SAF

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