However, tmpa v7 uses the latest gpcc, version 4, full analysis from 1998 to 2010 and gpcc, version 6, monitoring analysis thereafter. The interpolation of the gauge data is done by ordinary block kriging. Global precipitation climatology centre gpcc deutscher wetterdienst, offenbach a. However, further study is required to establish whether the gpcc 8. Gpccs new land surface precipitation climatology based on.
Near realtime first guess monthly landsurface precipitation from raingauges based on synop data combined with the gpcc first guess product combined with the gpcc. Overocean changes starting in 2003 resulted in an overall precipitation increase of. The map depicts uneven distribution of stations with higher densities over europe. Also the quality of the integrated euro4m dataset relies on the quality of hoaps version 3. Gpcc recommends this product for hydrometeorological model verification and water cycle studies because it has the best spatial coverage and highest accuracy. In 1989, the need for reliable gridded land surface precipitation data sets, in view of the large uncertainties in the assessment of the global energy and water cycle, has led to the establishment of the global precipitation climatology centre gpcc at deutscher wetterdienst on invitation of the wmo. Monthly land surface precipitation from raingauges built on gtsbased and historic data. Oct 22, 2019 although results vary, the global precipitation climatology centre gpcc full data product frequently outperforms other spatial rainfall estimates 6,8,9,15,16,17,18,19. Here, we introduce and discuss a global expert team.
The impact of the continuing use of the gpcc monitoring product for the years after 20 is under investigation. Gpcc monitoring product version 3, gpcc normals version 2010, and the gpcc full data reanalysis version 5 global gridded precipitation analyses based upon station precipitation data have been added. The global precipitation climatology project gpcp monthly. Thereafter we use the gpcc monitoring product version 2, whose data source is limited to gts reports.
This product contains the monthly totals on a regular grid with a spatial resolution of 0. The full data reanalysis version 4 is a retrospective analysis that covers 1901 2007, and it is used in gpcp for 19792007. This assessment uses the global precipitation climatology centre gpcc full data reanalysis version 6, which provides data through 2010. The gpcc full data product is the most commonly used product and covers the period from 1901 to the present. Precipitation anomalies at the stations are interpolated and then superimposed on the gpcc climatology v2011 in the corresponding resolution.
New series on landoltbornstein, numerical data and functional relationships, springer, berlin, 11. Features of the new release the available data of all stations featuring at least an observation period of 10 years are taken into account for the new full data reanalysis. Gpccs new land surface precipitation climatology based on qualitycontrolled in situ data and its role in quantifying the global water cycle. Precipitation climatology an overview sciencedirect topics. Global precipitation analysis products of the gpcc. Pdf new gpcc full data reanalysis version 5 provides. As an observationbased estimate of precipitation, we used the global precipitation climatology centre gpcc full data product, version 6, at 2. However, in recent years, a decline in the number of ground base gauge measurements has been seen around the world. Four globally gridded monthly precipitation products have been constructed from this database becker et al. With the beginning of 2012, the gpcc has started the additional acquisition and processing of daily precipitation data, but the daily data archive yet available has still to grow to support the issuance of reliable daily products in the midterm future. Calculation of gridded precipitation data for the global landsurface using insitu gauge observations, proceedings of the 2nd workshop of the international precipitation working group ipwg, monterey october 2004, eumetsat, isbn 929110070 6, issn 1727432x, 231247. The impact of the continuing use of the gpcc monitoring product. The full data reanalysis product is derived from a comprehensive data set covering a longer.
The gpcc full data monthly product version 2018 schneider et al 2015, which is constructed from global station data and is available from 1901present and is available at 0. Monthly landsurface precipitation from rain gauges. Gaugebased gridded monthly precipitation data sets for the global land surface. This dataset contains the global precipitation climatology centre gpcc full data daily product of daily global landsurface precipitation based on data provided by national meteorological and hydrological services, global and regional data collections as well as wmo gts data. Tmpa v6 included deficient advanced microwave sounding unit amsu precipitation estimates from january 2000 to may 2007, particularly from january 2003 to may 2007. Global precipitation climatology project gpcp climate. Although results vary, the global precipitation climatology centre gpcc full data product frequently outperforms other spatial rainfall estimates 6,8,9,15,16,17,18,19. Products available gpcc anomaly analysis product best for longterm change analysis. For example, in 1901, 10,900 stations from around the world were used for the gpcc full data reanalysis version 7. Monthly values 201401 through near present first guess. Gpcc full data monthly product version 2018, precipitation in mmmonth, 1.
Pdf new gpcc full data reanalysis version 5 provides high. The second and third are the is the full data product v2018 and v7for the. Figure 8 compares the aphrodite product with the gpcc product for january and july 1998. This monthly gpcc product is available for the years 19012010 and covers global land areas excluding antarctica. Climatology 2010 mean monthly precipitation and gpcc full data reanalysis version 5 time series 19012009 were put out in december 2010.
Comparison of tmpa3b42 versions 6 and 7 precipitation. Gpcc full data monthly product with high accuracy, for, e. Global precipitation climatology centre gpcc data description. In 2018, the full data monthly version of the gpcc gridded precipitation product gpcc 8. Global precipitation over land gpcc reanalysis icdc. The data coverage per month varies from less than 10,000 to more than 47,000 stations. The second is the full data product v7for the period 1901 to 2010, based on qualitycontrolled data from from 67,200 stations worldwide that feature record durations of 10 years or longer. Aggregation periods of 1, 3, 6, 9, 12, 24 and 48 months are calculated and available as netcdf files through the gpcc download. In coastal areas, where the source datasets are brought together a data gap is filled with help of spatial.
Gaugebased gridded monthly precipitation data sets for the global land surface format. How to regrid the netcdf data in order to achieve smaller. Monthly landsurface precipitation from raingauges built on gtsbased and historic data globally gridded monthly totals. Gpcc status report, december 2010 the new gpcc full data. Precipitation is still one of the most complex climate variables to observe, to understand, and to handle within climate monitoring and climate analysis as well as to simulate in numerical weather prediction and climate models. Full data product, wcrp gcos gpcc fdpversion5 version3 version7 version6 version2018 version4. For additional accuracy, more observation gauges should be installed. Monthly landsurface precipitation from raingauges built on gtsbased and historic data. A description of the global landsurface precipitation data products of the global precipitation climatology centre with sample applications including centennial trend analysis from 1901present. The 93 full data reanalysis version 4 is a retrospective analysis that covers 19012007, and it is used 94 in gpcp for 19792007. Each aggregation period is stored in a separate netcdffile. Full data daily version 2018 download gpcc products dwd. Mar 20, 20 gpcc s data base comprises precipitation data on a mainly monthly basis from a variety of sources. These changes include corrections to crosscalibration of satellite data inputs and updates to the gauge analysis.
Comparison of monthly precipitation derived from high. Centre gpcc full data product version 3 rudolf and schneider, 2005 is the third version of full data reanalysis products, and cover 53 years of registers, from 1951 to 2004. While hoaps gives precipitation only over icefree oceans, gpcc offers data over land. This dataset contains the centennial global precipitation climatology centre gpcc full data reanalysis of monthly global landsurface precipitation based on the 75,000 stations worldwide that feature record durations of 10 years or longer. Global precipitation over land gpcc monitoring product icdc. Monthly values 200701 through near present monitoring. Tmpa v7 uses the latest gpcc, version 4, full analysis from 1998 to 2010 and gpcc, version 6. Wcrp gcos gpcc fdp version6 gcos gpcc fdp version6 from wcrp.
Especially over ocean, less is known about precipitation than over land due to the sparsity of in situ observations. Features of the new release the available data of all stations featuring at least an observation period of 10 years are taken into account for the new full data. The new global precipitation climatology is focussing on the period 19512000 and consists of data from ca. New gpcc full data reanalysis version 5 provides highquality gridded monthly precipitation data. In addition, we also have added the gpcc full data reanalysis to the icdc collection, which has a higher data quality than the data monitoring product, but has not the. Gpcc status report, december 2010 the new gpcc full.
The full data reanalysis product version 6 of gpcc provided by the deutscher wetterdienst becker et al. In addition, we also have added the gpcc full data reanalysis to the icdc. Precipitation data are taken from gpccs full data monthly product and temperature data from noaas climate prediction center cpc monthly global surface air temperature data set. Model output statistics downscaling using support vector. The gpcp monthly product provides a consistent analysis of global precipitation from an. Gpcc monitoring monthly product version 6, precipitation in mmmonth, 1. The gpcc has calculated a precipitation climatology for the global land areas for the target. Tmpa v7 uses the latest gpcc, version 4, full analysis from 1998 to 2010 and gpcc, version 6, monitoring analysis thereafter. The replacement of the gpcc monitoring product in v2. Thereafter we use the gpcc monitoring product version 2, whose 95 data. Thereafter we use the gpcc monitoring product version 2, whose data source is. Wcrp gcos gpcc fdpversion6 version7 version3 version4 version2018 version5.
The global precipitation climatology centre gpcc full data reanalysis product version 4 is based on synoptic weather observation data synop and a monthly climat report received near realtime. The new portfolio of global precipitation data products of. Assessment of remote sensing systems version7 rain. The gpcc full data reanalysis product version 6 covers the period from 1901 to 2010. Global precipitation climatology centre full data reanalysis product version 6 gpcc. Introduction of the global precipitation climatology. Evaluation of three precipitation products on ecuadorian coast. The full data reanalysis version 4 is a retrospective analysis that covers 19012007, and it is used in gpcp for 19792007. Global precipitation climatology centre gpcc produces global maps of monthly. Global precipitation climatology project gpcp climate data. This product contains the daily totals on a regular grid with a spatial resolution of 1.
Global precipitation analysis products of the gpcc, global precipitation climatology centre gpcc, deutscher wetterdienst, offenbach a. The gpcc full data reanalysis is the most accurate in situ precipitation reanalysis data set of gpcc. For questions or comments about this dataset, contact the administrator of this server webmaster. Thereafter we use the gpcc monitoring product version 2, whose 95 data source is limited to gts reports. Aggregation periods of 1, 3, 6, 9, 12, 24 and 48 months are calculated and available as netcdf files through the gpcc download gate. Global precipitation over land gpcc monitoring product. The gpcc full data reanalysis product version 5 covers the period from 1901 to 2009 see example in figure 4. How accurate are the performances of gridded precipitation. Global precipitation climatology centre gpcc, dwd, internet publikation. Performance of two longterm satellitebased and gpcc 8. In addition, it supports regional climate monitoring, model validation, climate variability analysis and water resources assessment studies. Gcos global precipitation climatology centre from wcrp. Dec, 2017 four globally gridded monthly precipitation products have been constructed from this database becker et al. Climate algorithm theoretical basis document for precipitation global precipitation climatology project gpcp monthly 01b34 climate algorithm theoretical basis document download atbd for the cdr product.
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