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Reanalysis Hydrologic Cycle Panel

Reanalysis Hydrologic Cycle Panel. GEWEX, CEOP overview J. Roads Remote Sensing F. R. Roberston MAPS Regional model assimilation of snow S. Benjamin Hydrologic Applications C. Ropelewski General Discussion All. Water and Energy Cycle Research. cf. A. Schlosser. GEWEX Program Elements.

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Reanalysis Hydrologic Cycle Panel

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  1. Reanalysis Hydrologic Cycle Panel • GEWEX, CEOP overview • J. Roads • Remote Sensing • F. R. Roberston • MAPS Regional model assimilation of snow • S. Benjamin • Hydrologic Applications • C. Ropelewski • General Discussion • All

  2. Water and Energy Cycle Research cf. A. Schlosser

  3. GEWEX Program Elements

  4. AMMA CSEs

  5. CSE Annual Mean Climates(Roads et al. 2002. J. Hydrometeorology; Roads 2002; GEWEX News. Lawford et al., 2004?: BAMS-submitted)

  6. Reanalysis would contribute to: • Individual CSE hydrometeorological studies • MAGS, GAPP, LB A, BALTEX, GAME, MDB and others (e.g. AMMA, La Plata) • GHP hydrometeorological studies • WEBs (Global Water and Energy Budget studies) • WRAP (Global Water Resource Application Project) • CEOP (Coordinated Enhanced Observing Period) • SCW (Sources and Cycling of Water) • PRED (Hydrometeorological Predictability) • EX (Hydrometeorological Extremes) • Transferability (regional and global)

  7. GHP WEBS (in progress)

  8. REANII Hydrologic Cycle (land region)

  9. 4DDA In Situ GLDAS MPIM UCAR Goddard 0.1 TB 50 TB 5+? TB CEOP is an internationally coordinated hydrometeorological data production & research pilot effort (Jul. 1, 2001-Dec. 31, 2004) Remote Sensing/Data Integration U. Tokyo 500 TB User

  10. Initial Energy ComparisonsRoads, J., M. Bosilovich, M. Kanamitsu, M. Rodell, 2003: CEOP Pilot Data Comparisons. CEOP Newsletter 3, 2-5. • HC • Main balance of QR although LP also contributes • Need CpdT/dt computation • QR • Substantial diurnal cycle in atmospheric cooling ~ 0 during early afternoon, as well as surface heating. • G • Ground heated by subsurface flux during night and cooled during day again need to look at obs.

  11. Summary • A continuing reanalysis project would help us to better define the global hydrologic cycle and link to a global community of researchers evaluating and utilizing reanalysis products for a wide variety of hydrologic research and application studies • Diurnal to interannual time scales at high temporal, spatial resolution are of major concern • To fully analyze the hydrologic cycle, reanalysis should disseminate: • Input and verifying observations • 3 hourly analysis and first guess files • Continuous accumulations of hydrologic components • Moist. Conv., as well as Precip, Evap., runoff, snowmelt, etc. • Storage Terms • Water vapor, soil moisture, snow, etc. • Associated energy terms

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