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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Divergent sensitivity of surface water and energy variables to precipitation product uncertainty in the Tibetan Plateau
TL;DR: In this paper, the sensitivity of surface water and energy variables to global precipitation product uncertainty over four large river basins in the Tibetan Plateau (TP) are quantified and intercompared based on a newly developed sensitivity analysis approach.
Journal ArticleDOI
Assessing the utility of remote sensing data to accurately estimate changes in groundwater storage
TL;DR: In this article, the authors quantified groundwater storage changes in California's Central Valley at two spatial scales for the period 2002 through 2020 using remote sensing data and an ensemble water balance method.
Journal ArticleDOI
Evaluation of multiple indices of the South American monsoon
TL;DR: The Center for Climate Resilience Research (CR2) at Universidad de Chile and the University of Antioquia (UAN) as mentioned in this paper, respectively, have been used for climate resilience research.
Journal ArticleDOI
Capacity of Satellite-Based and Reanalysis Precipitation Products in Detecting Long-Term Trends across Mainland China
Shanlei Sun,Wanrong Shi,Shujia Zhou,Rongfan Chai,Haishan Chen,Guojie Wang,Yang Zhou,Huayu Shen +7 more
TL;DR: To investigate precipitation change and obtain robust related conclusions using precipitation products, comprehensive evaluations are necessary, due to variation in performance within one year, one day and among regions for different products.
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A drought monitoring tool for South Asia
TL;DR: The South Asia Drought Monitor (SADM) as mentioned in this paper is a state-of-the-art system for monitoring agricultural drought over SA at a high spatial resolution (0.25∘) in near real-time.
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