Global Energy and Water Cycle Experiment

Observations Models

Products

GOES User’s Conference GOES User’s Conference Climate & Hydrology ApplicationsClimate & Hydrology Applications

GOES User’s Conference GOES User’s Conference Climate & Hydrology ApplicationsClimate & Hydrology Applications

International GEWEX Project OfficeDr. Paul D. Try, Director

Determine the Hydrological Cycle by Global MeasurementsDetermine the Hydrological Cycle by Global Measurements Determine the Hydrological Cycle by Global MeasurementsDetermine the Hydrological Cycle by Global Measurements

Model the Hydrological Model the Hydrological Cycle and its EffectsCycle and its Effects

Model the Hydrological Model the Hydrological Cycle and its EffectsCycle and its Effects

Predict Response to Predict Response to Environmental ChangeEnvironmental Change Predict Response to Predict Response to Environmental ChangeEnvironmental Change

Improve Observing Improve Observing Techniques and Data Techniques and Data Assimilation SystemsAssimilation Systems

Improve Observing Improve Observing Techniques and Data Techniques and Data Assimilation SystemsAssimilation Systems

OBJECTIVESOBJECTIVESOBJECTIVESOBJECTIVES

Precipitation Evaporation

RunoffRunoff

StorageStorage

WV Flux

Energy and Water CycleEnergy and Water Cycle

Cooling

Cooling

Warming

Warming

Clouds

Aerosols

WaterVapor

Precipitation

Evaporation

PRIMARY FOCUSPRIMARY FOCUSRole of Energy and Water in ClimateRole of Energy and Water in Climate

INTEGRATINGINTEGRATINGDISCIPLINESDISCIPLINES

BRIDGINGBRIDGINGMULTISCALE GAPMULTISCALE GAP

Cooling

Cooling

Warming

Warming

Clouds

Aerosols

Water

Vapor

Precipitation

Evaporation

COMPONENTSCOMPONENTSRole of Energy and Water in ClimateRole of Energy and Water in Climate

International

GEWEX Cloud System

Satellite CloudClimatology Project

(ISCCP)

Studies (GCSS) GEWEX

Continental-ScaleHydrometeorology Projects

GCIP/GAPPBALTEX

GAME

LBA

MAGSGlobal

Global Runoff Data

Precipitation ClimatologyProject (GPCP)

Center (GRDC)

SurfaceRadiation Budget

Project (SRB)

Baseline SurfaceRadiation Network

(BSRN)

GEWEX

Water Vapor Project

(GVaP)

Land Surface Modeling / Data Projects

GLASS

*

*ISLSCP

GACP - Global Aerosol Climo Project

(PILPS/GSWP)

Biogeochemistry

IndividualIndividualSensorsSensors

Sfc/SpaceSfc/Space

PHYSICAL-

PHYSICAL-

PHYSICAL-

PHYSICAL-

BIOGEOPHYSICAL

BIOGEOPHYSICAL

BIOGEOPHYSICAL

BIOGEOPHYSICAL

VALUE ADDED PRODUCTION!VALUE ADDED PRODUCTION!VALUE ADDED PRODUCTION!VALUE ADDED PRODUCTION!

+ GAUGES+ GAUGES

GEO/LEOGEO/LEOISCCPISCCPISCCPISCCP

SRBSRBSRBSRB

GVaPGVaPGVaPGVaP

GPCPGPCPGPCPGPCP

SCIENCES

SCIENCESSCIENCES

SCIENCES

ISLSCPISLSCPISLSCPISLSCP

+ RAOBS+ RAOBS

Merged into Global Datasets

Merged into Global Datasets

Merged into Global Datasets

Merged into Global Datasets

CD-ROM

Version 2

C1 and C2

1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004

ISCCP(Clouds)

SRB(Radiation)

GVAP(Water Vapor)

ISCCP 2D1 and DX

GVAPNVAP

ISLSCP(Land-Surface)

GPCP(Precipitation)

Version 2 Version 1.1

*Hatched lines represent planned data sets

Initiative IIInitiative I

GACPGACP(Aerosols)

New Satellite Launches

III

GLOBAL DATA SETSGLOBAL DATA SETS

ISCCP PRODUCTSISCCP ProductsISCCP ProductsReanalyzed 17 yr data set ‘83 - ‘99 (0.5x0.5 deg) by Fall ‘01 Reanalyzed 17 yr data set ‘83 - ‘99 (0.5x0.5 deg) by Fall ‘01

ISCCP Addresses IPCC Climate IssueISCCP Addresses IPCC Climate IssueISCCP Addresses IPCC Climate IssueISCCP Addresses IPCC Climate Issue

Global Aerosol Indirect EffectGlobal Aerosol Indirect Effect

Large albedo increases over oceans -- little over landLarge albedo increases over oceans -- little over land

Surface Radiation Budget (SRB) ProjectSurface Radiation Budget (SRB) Project

GEWEX SW Downwelling Radiation June 1992GEWEX SW Downwelling Radiation June 1992 17 yr ‘83-99 17 yr ‘83-99 SW & LW SW & LW 1X1 deg 3hr/d/mo 1X1 deg 3hr/d/mo planned by late ’01planned by late ’01

Preliminary ‘85-Preliminary ‘85-88 CD ROM SW 88 CD ROM SW (only) available for (only) available for 2.5X2.5 deg mnthly2.5X2.5 deg mnthly

Based on ISCCP input -- biomass burning Based on ISCCP input -- biomass burning corrections and validation (GEBA/BSRN) data corrections and validation (GEBA/BSRN) data included -- uncorrected & corrected fields plannedincluded -- uncorrected & corrected fields planned

New SRB Ver 2 : 1x1New SRB Ver 2 : 1x1oo SW/LW Data Sets SW/LW Data Sets

SW Downward Surface FluxesSW Downward Surface Fluxes

October 11, 1986 @ 1800ZOctober 11, 1986 @ 1800Z

LW Cloud LW Cloud Radiative Radiative ForcingForcing

SW Cloud SW Cloud Radiative Radiative ForcingForcing

LW Downward Surface FluxesLW Downward Surface Fluxes

[ 1x1[ 1x1oo, 3 hrly Data ], 3 hrly Data ]

Global Precipitation Climatology ProjectGlobal Precipitation Climatology Project

LANDLAND OCEANOCEAN

TOTAL TOTAL

20 year pattern of global precipitation20 year pattern of global precipitation

Three new GPCP products :Three new GPCP products : -- 20 year monthly (2.5x2.5)-- 20 year monthly (2.5x2.5) -- 20 year Pentad (5 dy) -- 20 year Pentad (5 dy)

( shows MJO )( shows MJO )

-- 1x1 degree daily since ‘97-- 1x1 degree daily since ‘97

GPCP New 20+ yr Monthly ProductGPCP New 20+ yr Monthly Product

GPCP 1979 - PresentGPCP 1979 - Presentshows interannualshows interannualvariability in tropicalvariability in tropicalregions --regions --

El Nino EventsEl Nino Events

GPCP New 20+ yr Pentad (5dy) ProductGPCP New 20+ yr Pentad (5dy) Product

GPCP Pentad data in GPCP Pentad data in tropical regions -- tropical regions -- shows Madden-Julian shows Madden-Julian Oscillation (MJO) Oscillation (MJO) EventsEvents

PentadPentad MonthlyMonthly

[ Ref: P. Xie, NWS/NCEP/CPC ][ Ref: P. Xie, NWS/NCEP/CPC ]

GPCP Daily 1x1 degree images of Hurricane MitchGPCP Daily 1x1 degree images of Hurricane MitchGPCP Daily 1x1 degree images of Hurricane MitchGPCP Daily 1x1 degree images of Hurricane Mitch

Daily Image legend

New 1x1 Degree GPCP daily ProductNew 1x1 Degree GPCP daily ProductNew 1x1 Degree GPCP daily ProductNew 1x1 Degree GPCP daily Product

Precipitation Estimation from RemotelyPrecipitation Estimation from RemotelySensed Information using Artificial Neural NetworksSensed Information using Artificial Neural Networks

Precipitation Estimation from RemotelyPrecipitation Estimation from RemotelySensed Information using Artificial Neural NetworksSensed Information using Artificial Neural Networks

PERSIANNPERSIANN System for Hydrological Applications System for Hydrological ApplicationsPERSIANNPERSIANN System for Hydrological Applications System for Hydrological Applications

Monthly 1x1 degree from 30 min 0.25 degree GOES-IR dataMonthly 1x1 degree from 30 min 0.25 degree GOES-IR data Monthly 1x1 degree from 30 min 0.25 degree GOES-IR dataMonthly 1x1 degree from 30 min 0.25 degree GOES-IR data

[ Rainfall accumulation for 6 hrly, daily, 5 day and monthly ][ Rainfall accumulation for 6 hrly, daily, 5 day and monthly ][ Rainfall accumulation for 6 hrly, daily, 5 day and monthly ][ Rainfall accumulation for 6 hrly, daily, 5 day and monthly ]

Precipitation Estimation from RemotelyPrecipitation Estimation from RemotelySensed Information using Artificial Neural NetworksSensed Information using Artificial Neural Networks

Precipitation Estimation from RemotelyPrecipitation Estimation from RemotelySensed Information using Artificial Neural NetworksSensed Information using Artificial Neural Networks

PERSIANNPERSIANN System for Hydrological Applications System for Hydrological ApplicationsPERSIANNPERSIANN System for Hydrological Applications System for Hydrological Applications

GOES Input

Water Vapor Water Vapor Transport Transport IndexIndex

Water Vapor Water Vapor Transport Transport IndexIndex

Global UTH @ Global UTH @ 6.7 By 6.7 By

EUMETSATEUMETSAT

Global UTH @ Global UTH @ 6.7 By 6.7 By

EUMETSATEUMETSAT

Water Vapor ApplicationsWater Vapor Applications

GPCP Results Support IPCC GPCP Results Support IPCC GPCP Results Support IPCC GPCP Results Support IPCC

‘‘95 IPCC --95 IPCC --‘‘95 IPCC --95 IPCC -- ““... climate change will lead to an intensification ... climate change will lead to an intensification of the global hydrological cycle and can have of the global hydrological cycle and can have major impacts on regional water resources”.major impacts on regional water resources”.

““... climate change will lead to an intensification ... climate change will lead to an intensification of the global hydrological cycle and can have of the global hydrological cycle and can have major impacts on regional water resources”.major impacts on regional water resources”.

Global Distribution of Observed Moisture RecyclingGlobal Distribution of Observed Moisture Recycling

Using Using GPCPGPCP & & TOVS Pathfinder TOVS Pathfinder

(also GVaP) (also GVaP) data sets!data sets!

Zonal Average Recycling Rate per MonthZonal Average Recycling Rate per Month

[Ref: Chahine et al , 1997][Ref: Chahine et al , 1997]

ISLSCP CD ROM2 yr 1x1 deg “coregistered” data sets2 yr 1x1 deg “coregistered” data sets

10+ yr data set (87-96) planned for ‘02 10+ yr data set (87-96) planned for ‘02

Continental-ScaleContinental-Scale Experiments (CSEs) Experiments (CSEs)

“CATCH”“CATCH”

TundraTundra

Rain Forest

Semi-aridSemi-arid

Large-Scale Biosphere-Atmosphere Large-Scale Biosphere-Atmosphere Experimentsin Amazonia (LBA)Experimentsin Amazonia (LBA)

WET AMC Campaign - LBA 99WET AMC Campaign - LBA 99Meteorological Satellites Applications Group - CPTEC/INPEMeteorological Satellites Applications Group - CPTEC/INPE

Goes 8 ImageryGoes 8 Imagery Regions: Amazon and Experiment 99 field. Images for visible channel (VIS, #1), water vapour channel (WV, #3), thermal infrared (IR, #4) and composed (RGB coloured, channels 1+4).

Winds over South AmericaWinds over South America Routine product at CPTEC, based on GOES 8 imagery (channels IR and WV). Wind vectors

Solar radiationSolar radiation Daily solar irradiation fields over Experiment area.

WET AMC Campaign - LBA 99WET AMC Campaign - LBA 99Meteorological Satellites Applications Group - CPTEC/INPEMeteorological Satellites Applications Group - CPTEC/INPE

Goes 8 ImageryGoes 8 Imagery Regions: Amazon and Experiment 99 field. Images for visible channel (VIS, #1), water vapour channel (WV, #3), thermal infrared (IR, #4) and composed (RGB coloured, channels 1+4).

Winds over South AmericaWinds over South America Routine product at CPTEC, based on GOES 8 imagery (channels IR and WV). Wind vectors

Solar radiationSolar radiation Daily solar irradiation fields over Experiment area.

Regional CSE GOES ApplicationsRegional CSE GOES ApplicationsRegional CSE GOES ApplicationsRegional CSE GOES Applications( direct from www page for LBA ) ( direct from www page for LBA )

CONTINENTAL SCALE EXPERIMENTSCONTINENTAL SCALE EXPERIMENTS

1996 1997 1998 1999 2000 2001 2002 2003

GEWEX ContinentalScale Experiment (GCIP)

Mackenzie GEWEX Study (MAGS)

Baltic Sea Experiment (BALTEX)

GEWEX Asian Monsoon Experiment (GAME)

Large Scale Biosphere-Atmosphere Experiment in Amazonia (LBA)

Large-Scale Area (LSA)

CoordinatedEnhanced Observing

Period (CEOP)

LBA

BRIDGE

GAME-Tropics

GAME-Subtropics

GAME-Tibet

GAME-Siberia

LSA-SW

LSA-NC

LSA-East

LSA-NW

GAPP

MAGS IICAGES

GAME Phase II CEOP Asian Monsoon Project

New Satellite Launches

AQUAAQUATERRATERRA

ADEOS IIADEOS IIENVISATENVISAT

TRMMTRMM

MAGSMAGS

GCIPGCIP

LBALBA

BALTEXBALTEX

GAMEGAME

“ “ Coordinated - EOP ” (CEOP) Coordinated - EOP ” (CEOP) [ Enhanced Observational Period - 2001-2003 ] [ Enhanced Observational Period - 2001-2003 ]

To address the influence of continental To address the influence of continental hydroclimate processes on the predictability of hydroclimate processes on the predictability of global atmospheric circulation and changes in global atmospheric circulation and changes in water resources -- with particular water resources -- with particular focus on the focus on the heat source and sink regionsheat source and sink regions . .

To address the influence of continental To address the influence of continental hydroclimate processes on the predictability of hydroclimate processes on the predictability of global atmospheric circulation and changes in global atmospheric circulation and changes in water resources -- with particular water resources -- with particular focus on the focus on the heat source and sink regionsheat source and sink regions . .

> Global data sets> Global data sets> CSEs & Process studies> CSEs & Process studies> Modelling> Modelling> Intra/Inter GEWEX/WCRP> Intra/Inter GEWEX/WCRP

Impacts All of GEWEXImpacts All of GEWEX

CEOP Satellite ExploitationCEOP Satellite Exploitation

Global PerspectiveGlobal Perspective

Observe & Observe & UnderstandUnderstand

Model Globally for PredictionModel Globally for Prediction

Apply Apply LocallyLocally

Local/RegionalLocal/RegionalGEWEX CSEsGEWEX CSEs