tpe-ghp/gewex joint workshop · 2017. 10. 23. · • a new release of gpcc‘s monthly product...
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TPE-GHP/GEWEX Joint Workshop, 17-19 October 2017, Kathmandu, Nepal
UlrichLooserGlobalRunoffDataCentreatthe
FederalIns9tuteofHydrology(BfG)Koblenz,Germany
TPE-GHP/GEWEX Joint Workshop Status Report of Global Data Centres
GPCC (Global Precipitation Climatology Centre) HYDROLARE (International Centre on the Hydrology of Lakes
and Reservoirs) GRDC (Global Runoff Data Centre)
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Configura)onofGTN-HNetwork(6/2017)
OutsourcingtoGTN-Gincoopera9onwithWMOGlobalCryosphereProgram
Emerging
Suggest:Dropit
Satellite-basedcomponentunderrapiddevelopment
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gpcc.dwd.de
GHP-Meeting, 17-19 Oct. 2017, Kathmandu, Nepal
Precipitation: GPCC Global Precipitation Climatology Centre
Offenbach, Germany
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GPCC data sources
Non real-time: • Additional data from ca. 190 countries • International project data (GEWEX-related and other) • Historical data collections (CRU, FAO, GHCN, ECA&D)
Near real-time (GTS): • GTS SYNOP (DWD RTH Offenbach) • GTS CLIMAT (DWD RTH Offenbach) • GTS CLIMAT (JMA RTH Tokyo) • GTS CLIMAT (UKMO RTH Exeter) • SYNOP-based (NOAA RTH Washington)
+ GHCN daily
GHP-Meeting, 17-19 Oct. 2017, Kathmandu, Nepal
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(GHCN V.2 + suppl. from GHCN daily)
GPCC monthly data base (source specific)
GTS includes SYNOP-based GPCC and CPC data and CLIMAT
GHP-Meeting, 17-19 Oct. 2017, Kathmandu, Nepal
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With the beginning of 2012 the GPCC started with the acquisition, processing and analysis of daily precipitation data
GPCC daily data base
Ø Almost from the start of this new activity the GPCC ran into the problem “How is the day defined?” Ø Daily precipitation - generally being observed at about 07:00 local time - should be assigned to the previous day (most of the accumulation period is lying in the previous day)
Ø Unfortunately this is not done consistently in the different countries; most countries are assigning the daily totals to the previous day, but others are doing this differently (i.e. assigning precip to the day when the observation is taken)
Ø The GPCC is correcting this, as far as possible, to provide a consistent precipitation data set
GHP-Meeting, 17-19 Oct. 2017, Kathmandu, Nepal
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for First Guess Daily
GPCC daily data base (source specific)
Full Data Daily V.1 (Sept. 2015)
GHP-Meeting, 17-19 Oct. 2017, Kathmandu, Nepal
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QC of precipitation data - Summary • Almost every large data set is containing more or less frequently erroneous data
• “Bad data” should not simply be thrown away, but corrected where possible (data errors are often obvious and thus can be corrected (data maybe important in data sparse areas)
Important: • True extreme values must not be eliminated by “QC” (therefore semi- automatic QC at GPCC; automatic pre-checks and visual control) • Corrected data always archived together with the original data
• GPCC is archiving the data from different sources separately in source- specific slots in its relational data base management system (RDBMS) to enable intercomparison of the data from the different sources
Ø Careful data QC is necessary !!
GHP-Meeting, 17-19 Oct. 2017, Kathmandu, Nepal
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• Homogenized Precipitation Analysis (HOMPRA) for 1951-2005 for Europe (in cooperation with Met. Institute of Univ. Bonn) has been completed in April 2017, will be generated on a global scale later • A new release of GPCC‘s Monthly product portfolio (Precipitation Climatology, Full Data Reanalysis V.8, Monitoring Product) is now planned for December 2017 (for period 1901-2016) • A new release of GPCC‘s Full Data Daily (V.2 for period 1986-2016) is planned for spring 2018
Outlook
GHP-Meeting, 17-19 Oct. 2017, Kathmandu, Nepal
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ftp://ftp-anon.dwd.de/pub/data/gpcc/html/download_gate.html GHP-Meeting, 17-19 Oct. 2017, Kathmandu, Nepal
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www.hydrolare.ru
GHP-Meeting, 17-19 Oct. 2017, Kathmandu, Nepal
Lakes and Reservoirs: HYDROLARE International Centre on the Hydrology of Lakes and Reservoirs
St. Petersburg, Russian Federation
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Collec)onofdataonhydrologyoflakesandreservoirsfromWMOMembers
CurrentlytheHYDROLAREdatabaseholdsdatafor1103lakesandreservoirsand1121sta)onsfrom48countriesoftheworld.
EuropeAzerbaijan LithuaniaArmenia MoldovaBelarus RussianFedera9onCyprus SloveniaEstonia SwedenFinland SwitzerlandGeorgia TurkeyLatvia Ukraine
AsiaChina MongoliaIran TajikistanKazakhstan TurkmenistanKyrgyzstan Uzbekistan
AfricaBurundi MalawiCameroon MozambiqueChad NigerCongo NigeriaDemocra9cRepublicofCongo UgandaEthiopia TanzaniaKenya Zambia
NorthAmerica,CentralAmericaandtheCaribbeanCanada NicaraguaGuatemala UnitedStatesMexico
SouthAmericaArgen9na PeruBolivia Venezuela
South-WestPacificAustralia
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in-situ observations are highlighted in green, satellite observations - in blue, both type of observations – in red.
LakesandreservoirsintheHYDROLAREdatabase
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Regularlyupdatedinforma)ononthestatusofthedatabasecontentisavailableonthewebsiteat:www.hydrolare.net
ThespecialHYDROLAREsearchandexploretoolhelpsuserstosearchinforma)onaboutdatabasecontentthroughGoogleMaps
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WithinHYDROLARE-LEGOScoopera)onac)vi)eswereimplementedaimedatintegra)onofin-situandsatellitedataavailableinHYDROLAREandLEGOS(Hydroweb).A direct access from HYDROLARE to Hydroweb website was enabled for acquiringinforma)ononavailabilityof satellitedata for selected lakesonHydrowebwebsiteandviceversa.
Cross-linksbetweenHYDROLAREandLEGOS(Hydroweb)webpages
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Informingusersaboutavailabilityofdataonwatertemperature
Un)l2015theonlytypeofdatainthedatabasewasin-situandremotesensingwaterlevelsoflakesandreservoirs.In2016HYDROLAREstartedupda)ngitsdatabasewithin-situwatertemperaturedata.
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In2017,theIT-infrastructurehasbeenfurtherdevelopedtoincludenewtypeofinforma)on-maximumicecoverthickness-tothedatabase.
Informa)onaboutavailabilityoficethicknessdatainthedatabaseisdisplayedonthewebsite
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http://grdc.bafg.de
GHP-Meeting, 17-19 Oct. 2017, Kathmandu, Nepal
River Discharge: GRDC Global Runoff Data Centre
Koblenz, Germany
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TPE-GHP/GEWEX Joint Workshop, 17-19 October 2017, Kathmandu, Nepal
GRDCMainfunc-onsAcquisi9onandstorageofglobalhistoricaldischargedataandassociatedmetadata
Dissemina9onofhistoricaldischargedataandderiveddataproductsofmorethan9500sta-onsin160countries(“One-stopshop”)
GRDCDataPolicyDataareprovidedonrequestforscience,researchandteaching.Auserdeclara-onmustbesigned
rescuedataIncluding
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TPE-GHP/GEWEX Joint Workshop, 17-19 October 2017, Kathmandu, Nepal
GlobalCoverageofGRDCSta-onsindicatedby9meseriesend
Status of the Global Runoff Database 160 countries, ~10,000 stations,
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TPE-GHP/GEWEX Joint Workshop, 17-19 October 2017, Kathmandu, Nepal
GRDCSta-onSelec-onfortheGlobalTerrestrialNetworkforRiverDischarge(GTN-R)
FreshwaterFluxtotheWorldOceans
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TPE-GHP/GEWEX Joint Workshop, 17-19 October 2017, Kathmandu, Nepal
GTN-R data available from GRDC website in WaterML2.0 format
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TPE-GHP/GEWEX Joint Workshop, 17-19 October 2017, Kathmandu, Nepal
MajorRiverBasinsoftheWorldWatershedBoundariesofGRDCSta-onsWMORegionsandSub-Regions
GRDC Map Products
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TPE-GHP/GEWEX Joint Workshop, 17-19 October 2017, Kathmandu, Nepal
Registration of GRDC Services in WMO & GEOSS Portals
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TPE-GHP/GEWEX Joint Workshop, 17-19 October 2017, Kathmandu, Nepal
Precipita9on:GPCCgpcc.dwd.deGlobalPrecipita)onClimatologyCentreOffenbach,Germany
LakesandReservoirs:HYDROLAREwww.hydrolare.ruInterna)onalCentreontheHydrologyofLakesandReservoirsSt.Petersburg,RussianFedera9on
RiverDischarge:GRDChZp://grdc.bafg.deGlobalRunoffDataCentreKoblenz,Germany
GEWEX – GHP Partner Data Centres
ThankyouforyouraVen-on!