The climate hazards infrared precipitation with stations--a new environmental record for monitoring extremes.
Chris Funk,Pete Peterson,Martin Landsfeld,Diego Pedreros,James P. Verdin,Shraddhanand Shukla,Gregory Husak,James Rowland,Laura Harrison,Andrew Hoell,Joel Michaelsen +10 more
TLDR
The Variable Infiltration Capacity model, a novel blending procedure incorporating the spatial correlation structure of CCD-estimates to assign interpolation weights, is presented and it is shown that CHIRPS can support effective hydrologic forecasts and trend analyses in southeastern Ethiopia.Abstract:
The Climate Hazards group Infrared Precipitation with Stations (CHIRPS) dataset builds on previous approaches to ‘smart’ interpolation techniques and high resolution, long period of record precipitation estimates based on infrared Cold Cloud Duration (CCD) observations. The algorithm i) is built around a 0.05° climatology that incorporates satellite information to represent sparsely gauged locations, ii) incorporates daily, pentadal, and monthly 1981-present 0.05° CCD-based precipitation estimates, iii) blends station data to produce a preliminary information product with a latency of about 2 days and a final product with an average latency of about 3 weeks, and iv) uses a novel blending procedure incorporating the spatial correlation structure of CCD-estimates to assign interpolation weights. We present the CHIRPS algorithm, global and regional validation results, and show how CHIRPS can be used to quantify the hydrologic impacts of decreasing precipitation and rising air temperatures in the Greater Horn of Africa. Using the Variable Infiltration Capacity model, we show that CHIRPS can support effective hydrologic forecasts and trend analyses in southeastern Ethiopia.read more
Citations
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Investigating the relationship between Aerosol Optical Depth and Precipitation over Southeast Asia with Relative Humidity as an influencing factor.
TL;DR: This study uses satellite-retrieved and reanalysis data to investigate the relationship between aerosols and precipitation in the Southeast Asia region from 2001 to 2015 and provides additional evidence with respect to the critical role of RH as an influencing factor in AOD-precipitation relationship over Southeast Asia.
Journal ArticleDOI
Statistical evaluation of gridded precipitation datasets using rain gauge observations over Iran
Mohammad Darand,Khandu Khandu +1 more
TL;DR: In this article, the accuracy of twenty-three available globally and regionally gridded precipitation products over Iran was assessed based on a variety of metrics over the period 1979 to 2013, and the results indicated that the time series of the spatial averaged precipitation of all the products do reasonably well in tracking the month-to-month variations with the majority of the products underestimating precipitation amounts with respect to the reference rain gauge observations.
Journal ArticleDOI
Uncertainties in TRMM‐Era multisatellite‐based tropical rainfall estimates over the Maritime Continent
TL;DR: In this paper, the authors investigated the regional and seasonal rainfall rate retrieval uncertainties within nine state-of-the-art satellite-based rainfall products over the Maritime Continent (MC) region.
Journal ArticleDOI
Evaluation of the GPM IMERG v5 and TRMM 3B42 v7 Precipitation Products in the Yangtze River Basin, China
TL;DR: Li et al. as mentioned in this paper evaluated the accuracy of the GPM IMERG v5 and the TRMM 3B42 v7, with the reference of 224 rain gauge stations over the Yangtze River basin in China from April 2014 to December 2017.
Journal ArticleDOI
Evapotranspiration in the Amazon: spatial patterns, seasonality, and recent trends in observations, reanalysis, and climate models
Jessica C. A. Baker,Luis Garcia-Carreras,Manuel Gloor,John H. Marsham,Wolfgang Buermann,Humberto Ribeiro da Rocha,Antonio Donato Nobre,Alessandro Araújo,Dominick V. Spracklen +8 more
TL;DR: In this article, a catchment-balance approach was used to estimate the evapotranspiration (ET) in the Amazon and 10 sub-basins, where the balance between precipitation, runoff, and change in ground water storage was calculated.
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