Status report and outlook of the global precipitation. For questions or comments about this dataset, contact the administrator of this server webmaster. Atmosphere free fulltext an ensemble mean and evaluation. Input precipitation data precipitation data were obtained from a free global gridded dataset.
Monthly snowfall is determined from monthly gpcc precipitation with snowfall occurring when mean monthly sbat falls below freezing point. Monthly landsurface precipitation from raingauges built on gtsbased and historic data global precipitation climatology centre at deutscher wetterdienst, 2011. Comparison of monthly precipitation derived from high. The new portfolio of global precipitation data products of. The recent decline in horn of africa rainfall during the marchmay long rains season has fomented drought and famine, threatening food security in an already vulnerable region. The analyses are based on automatic and intensive manual quality control of the observed precipitation data from land stations. Inthisstudy,weusedgpccascomparison reference observation and calculated performance indices for different drought thresholds. In coastal areas, where the source datasets are brought together a data gap is filled with help of spatial. Global precipitation climatology centre full data reanalysis product version 6 gpcc. 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. 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.
Monthly landsurface precipitation from raingauges built on gtsbased and historic data this is 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. Precipitation trends using insitu and gridded datasets. Monthly landsurface precipitation from raingauges built on gtsbased and historic data. Also the quality of the integrated euro4m dataset relies on the quality of hoaps version 3. Gpcc full data reanalysis version 7 landing page source dataset used in the product of gpcp v2. The reanalysis system models used in this study are national centers for environmental prediction ncep climate forecast system reanalysis cfsr, european centre for mediumrange weather forecasts ecmwf reanalysis interim erai, japan meteorological agency jma 55. Past and future rainfall in the horn of africa science advances. Global precipitation climatology project gpcp climate data. Gpcc global precipitation climatology centre monthly precipitation dataset from 1901present is calculated from global station data. World drought frequency, duration, and severity for 19512010. We show that the rate of drying in the horn of africa during the 20th century. European reanalysis and observations for monitoring euro4m.
The replacement of the gpcc monitoring product in v2. Asynchronous carbon sink saturation in african and amazonian. Analysis of satellite monthly precipitation time series over. Six in situ precipitation time series of varying time periods in the northwestern region and the global precipitation climatology centre gpcc v6 0. Sep 20, 2019 title gpcc full data reanalysis version 2018 0. Monthly landsurface precipitation from raingauges built on gtsbased and historic data subtitle globally gridded monthly totals. Monthly gridded background fields are taken from the gpcc full data reanalysis version 6. How to regrid the netcdf data in order to achieve smaller. Precipitation data are taken from gpcc s full data monthly product and temperature data from noaas climate prediction center cpc monthly global surface air temperature data set. Data citation users of the gpcc datasets are asked for feedback to dwd about usage.
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. The reanalysis system models used in this study are national centers for environmental prediction ncep climate forecast system reanalysis cfsr, european centre for mediumrange weather forecasts ecmwf reanalysis interim erai, japan meteorological agency. If you find that the plotting process only produces a blank page. Several algorithmic improvements have been made by the airs project in conjunction with the airs science team. A multisatellite climatology of clouds, radiation, and. Aggregation periods of 1, 3, 6, 9, 12, 24 and 48 months are calculated and available as. Aggregation periods of 1, 3, 6, 9, 12, 24 and 48 months are calculated and available as netcdf files through the gpcc download gate. Mar 20, 20 examples of significant inhomogeneities t.
Gpccs new land surface precipitation climatology based on. 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. Gpcc status report, december 2010 the new gpcc full. Here, we introduce and discuss a global expert team. This is the centennial 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. To investigate the reliability of global gridded precipitation datasets with horizontal resolution of 0. We have produced a global ensemble mean of the four thirdgeneration climate reanalysis models for the years 19812010. These data have also been used previously for research on. Satellite data reveal southwestern tibetan plateau cooling. While hoaps gives precipitation only over icefree oceans, gpcc offers data over land. Indeed, averaging over 5 year periods, the five most recent years of trmm observations i. This product contains the monthly totals on a regular grid with a spatial resolution of 0. Some attribute this decline to anthropogenic forcing, whereas others maintain that it is a feature of internal climate variability.
Gpccs new land surface precipitation climatology based on qualitycontrolled in situ data and its role in quantifying the global water cycle. The number increased steadily to a maximum of about 49,470 in july 1970, and then fell thereafter to 30,000 in 2005 and subsequently to only about 10,000 by 2012 figure 2e. Far range from 0 to 1, 0 indicates perfect skill and 1 indicatesnoskill. 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. The data coverage per month varies from less than 10,000 to more than 47,000 stations. Global precipitation climatology centre gpcc produces global maps of monthly rain gauge based precipitation. Climatology 2010 mean monthly precipitation and gpcc full data reanalysis version 5 time series 19012009 were put out in december 2010. Commonly, this problem is caused by requesting too large a subset.
Note that selection of gpcc as reference enables compar. Especially over ocean, less is known about precipitation than over land due to the sparsity of in situ observations. Gaugebased gridded monthly precipitation data sets for the global land surface. Features of the new release the available data of all stations featuring at least an observation period of 10 years are taken. The gpcc full data reanalysis product version 6 covers the period from 1901 to 2010. This full data reanalysis product is of much higher accuracy compared to the gpcc near realtime products. Monthly landsurface precipitation from rain gauges built on gts based and historic data ds496.
Monthly landsurface precipitation from raingauges built on gtsbased and historical data. Download citation on jan 1, 2019, roberto suarez moreno and others published data. On the use of satellite, gauge, and reanalysis precipitation. Here, we compare the monthly mean values to those computed by the gridded global precipitation analysis products of the global precipitation climatology centre gpcc rudolf and schneider 2005. Research find, read and cite all the research you need on researchgate. Global precipitation climatology centre gpcc full data reanalysis version 5 d1. We subsequently applied monthly gauge corrections using the global precipitation climatology centre gpcc full data reanalysis, version 7 fdr7, dataset 0. Global precipitation climatology centre gpcc data description. The global precipitation climatology project gpcp monthly. Airs version 6 level 2 data represent a significant improvement over airs version 5 level 2 products in terms of greater stability, yield, and quality.
Gpcc status report, december 2010 the new gpcc full data. 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. For instance, in the gpcc full data reanalysis version 7. New gpcc full data reanalysis version 5 provides highquality gridded monthly precipitation data. Evaluation of seven different atmospheric reanalysis products. Global and continental changes of arid areas using the fao. Aug 23, 2019 the data cover a period from 1901 to 2018 and have a resolution of 1.
1539 457 596 124 279 1591 1301 385 1048 331 445 720 1337 72 967 614 1134 459 346 601 749 1141 1264 8 82 744 1362 32 32 94 328 803