We repeated all the analyses for 42 stations across the country to compare with the results from the gridded data. Global surface summary of the day gsod noaa data catalog. Asian precipitation highlyresolved observational data integration towards evaluation aphrodite s of water resources project develops stateoftheart daily precipitation and temperature datasets with highresolution grids for asia. All users can download current products from dias data integration and analysis system. This section outlines the different types of data available, the levels of processing, the sources to download the data, and some helpful tips for utilizing precipitation data. Precipitation data from a total of 242 stations in this domain are used to investigate the quality of the gridded products. More technical specifications can be found in text s1. How to download trmm precipitation data and estimate. Download rainfall data from chrs data portal youtube. The cpc data shows that precipitation from extreme events contributed 70 90 percent of the total precipitation that occurred in the wet dry regions. Imerg seems to be improved in detecting lightheavy rainfall event magnitude than trm. Gridded precipitation data sets 7 we give here a general description of the precipitation data sets tested here figure 1. The v1003r1 version of the monthly, seasonal and annual precipitation time series of the middle east aphrodite database and asfazari database within iranian territory in the time interval 1961 and 2004 were compared with each other.
At the first cordex science advisory team sat meeting in may 2014 the cordex data archiving progress was discussed in detail and the sat strongly recommended the use of esgf as the main tool for providing cordex data to users. Ucsb chirps v2p0 daily global 0p05 chirps v2p0 daily global 0p05 from ucsb. The ish dataset includes global data obtained from the usaf climatology center, located in the federal climate complex with ncdc. They are available from access to raw files link above. Allows variations in weather climate to be compared with variations in other phenomena. Asian precipitation highlyresolved observational data integration towards evaluation of water resources aphrodites water. Evaluation and restructuring of gridded precipitation data. We modified the aphrodite algorithm to treat hourly precipitation data, and we detected orographically induced heavy precipitation patterns in western japan. The aphrodite precipitation data is widely used for understanding monsoon variability, various downscaling for impact assessment studies of global warming and validating precipitation estimates from satellites and models. We are also thankful to the national data center, imd pune, and the climate data guide, asian precipitation highlyresolved observational data integration towards evaluation of water resources aphrodite for providing the gridded precipitation data sets used for study. The precipitation data are qualitycontrolled, multisensor radar and rain gauge precipitation estimates obtained from national weather service nws river forecast centers rfcs and mosaicked by national centers for environmental prediction ncep. Estimation of meteorological drought indices based on agmerra precipitation data and stationobserved precipitation data the aphrodite asian precipitation highlyresolved observational data integration towards evaluation yatagai et al. Highresolution rainfall datasets, such as the asian precipitation highly resolved observational data integration towards evaluation of water resources aphrodite, the climate forecast system reanalysis cfsr, the climatic research unit time series cruts, the global precipitation climatology centre gpcc and the tropical rainfall.
Use of aphrodite rain gaugebased precipitation and trmm. The aphrodite project developes stateofart daily precipitation and daily mean temperature datasets. Rihn aphrodite v1101 monsoon asia daily precipitation with 0. In this context, icimod has established a regional database system rds that acts as a central data repository for different thematic areas in the hindu kush himalayan hkh region and provides easy access to these data through a. Trmmtropical rainfall measuring mission, reanalysis products like water and global change watch forcing data wfd and interpolated gridded rain gauge observations like aphrodite asian precipitation highlyresolved observational data. This study developed a raingaugebased hourly precipitation dataset to analyze the heavy precipitation event of july 2018 in japan h2018. Hello sir, in what site do you download aphrodite precipitation data. Asian precipitation highlyresolved observational data integration towards evaluation of the water resources aphrodites water resources. Sc a set of scenarios of possible climates in the future, using data from climate models.
Martin pfeiffer of mongolian national university says. Aphrodite s asian precipitation highlyresolved observational data integration towards evaluation daily gridded precipitation is the only longterm 1951 onward continentalscale daily product that contains a dense network of daily raingauge data for asia including the himalayas, south and. The asian precipitation highly resolved observed data integration towards evaluation of water resources aphrodite s water resources data developed for pakistan on a. Asian precipitation highly resolved observational data integration towards evaluation of the water resources aphrodite s water resources akiyo yatagai1, akio kitoh2, kenji kamiguchi2, osamu arakawa2, atsushi hamada1, natsuko yasutomi1, tsugihiro watanabe1, jumpei kubota1, makoto taniguchi 1 1. Rihn aphrodite v1101 monsoon asia daily precipitation with. Forecasts, analyses, climate reanalyses, reforecasts and multimodel data are available from our archive mars or via dedicated data servers or via pointtopoint dissemination.
Validation of aphrodite precipitation data for humid and sub humid regions of pakistan vol. Download temperature and precipitation data in netcdf handling netcdf files using python part 1 in this tutorial, you will learn how to download temperature and precipitation data products from asian precipitation highlyresolved observational data integration towards evaluation of the water resources aphrodite s water resources website in netcdf format. The reprocessing corrects a problem found in daily chirps for the cpcir. Operational datasets are the forecasts output by our current model. Scatter plot for comparison between aphrodite and observed monthly precipitation data for murree, a 19912000, b 20012007 the bias analysis of observed and aphrodite data for murree shows that aphrodite data. Precipitation is available at 3 spatial resolutions. Summer rainfall over the southwestern tibetan plateau controlled by deep convection over the indian subcontinent. Aphrodite precipitation data for combined region dias dataset. The aphrodite was chosen as the reference for the comparison because it was developed based on ground observations and has also been selected as reference data in previous studies. Evaluation of five gridded rainfall datasets in simulating. Ucsb chirps v2p0 daily global 0p05 climate data library. Precipitation data from the gpm and trmm missions is made available free to the public in a variety of formats from several sources at nasa goddard space flight center. Aphrodite daily precipitation and temperature dataset nasaads.
An intercomparison of observational precipitation data. Comparison of gridded precipitation time series data in. Global surface summary of the day is derived from the integrated surface hourly ish dataset. Based on the nasa modern era retrospective analysis for research and applications merra outputs rienecker et al. Ts monthbymonth variations in weather climate over the last century or so. Development of intensive aphrodite hourly precipitation. A daily gridded precipitation dataset for the period 19512007 was created by collecting and analyzing raingauge observation data across asia through the. The monthly data set consists of three files containing monthly averaged precipitation totals.
Validation of aphrodite precipitation data for humid and. Changing character of rainfall in eastern china, 19512007. The latest version data and update data of aphrodite are released. We released v1801jp daily adjusted precipitation method d. Asia experience of aphrodite daily gridded precipitation. Evaluation of precipitation data sets along the himalayan. Coordination with scientific disciplines and the application of data are covered in the uns sustainable development goals sdgs for 2030. The global analyses are defined by interpolation of gauge observations over land precl and by eof recon struction of historical observations over ocean preco.
The initial purpose of aphrodite was to formulate reliable, rain gaugebased, highresolution products. Asian precipitation highlyresolved observational data. Pdf validation of aphrodite precipitation data for humid. Id and password are required to download the products, so please create an account. Aphrodites water resources gridded daily precipitation by. However, the performance of both data sets encountered clear dependency on seasons. Results show that most of the assessed datasets are able to capture the major climatological characteristics of precipitation in the mb for the 10. Geodelta labs download temperature and precipitation. Development of precise precipitation data for assessing. Error analysis of trmm, wfd and aphrodite datasets using. Pdf validation of aphrodite precipitation data for humid and. The large difference between the two observational datasets may be due to the different horizontal resolutions, time period and the interpolation methods. The original data from ncep is in grib gridded binary or general regularlydistributed. Can you tell me, the differences between agmerra and aphrodite.
Asian precipitation products created by the research institute for humanity and nature and meteorological research institute of japan meteorological agency. The datasets are created primarily with data obtained from a raingaugeobservation network. The relationship shows that aphrodite precipitation data. Aphrodite s asian precipitation highlyresolved observational data integration towards evaluation daily gridded precipitation is the only longterm 1951 onward continentalscale daily product that contains a dense network of daily raingauge data.
New data integrationanalysis by dias will play a crucial role in the implementation and evaluation of sdgs. The monthly, seasonal and annual time series of the both databases in most cases show a random behavior and the time series follow a similar. Ahps precipitation analysis national weather service. Assessing reliability of precipitation data over the. Asian precipitation highlyresolved observational data integration towards. Asian precipitation highlyresolved observational data integration.
Ecmwf uses its forecast models and data assimilation systems to reanalyse archived observations. The asian precipitation highlyresolved observational data integration toward evaluation of water resources aphrodite project created daily grid precipitation data over the entire asian domain yatagai et al. Is there any easier way to extract aphrodite precipitation data in. Noaas precipitation reconstruction over land precl. Which meteorological data were produced by agmerra. We apply freda to asian precipitation highlyresolved observational data integration toward evaluation of the water resources aphrodite precipitation data from east china to create a catalog of all frontal rain events during 19512007 20,819 d total, and we also classify all rainfall on each day as either frontal or nonfrontal. Contribution of extreme daily precipitation to total.
1107 1018 1001 948 442 1246 553 110 545 533 809 921 1506 6 1478 370 3 762 398 776 977 1369 741 1192 1281 1051 788 262 306 762 249 484 938 620 817 867 263 476 261 582 133 1405 516 785 313 322