نتایج جستجو برای: and recently introduced standardized precipitation

تعداد نتایج: 16852963  

2017
Saran Aadhar Vimal Mishra

Drought in South Asia affect food and water security and pose challenges for millions of people. For policy-making, planning, and management of water resources at sub-basin or administrative levels, high-resolution datasets of precipitation and air temperature are required in near-real time. We develop a high-resolution (0.05°) bias-corrected precipitation and temperature data that can be used ...

اصغری سراسکانرود, صیاد, زینالی, بتول, صفریان زنگیر, وحید,

Drought is a concept that is generally understood on a basic level, but is difficult to quantify. Palmer defined a drought as a meteorological phenomenon that is characterized by ‘‘prolonged and abnormal moisture deficiency. A drought can alternatively be broadly defined as a temporary, recurring reduction in the precipitation in an area. Aridity and drought are not synonymous. A...

Journal: :Geophysical Research Letters 2022

We present the first global precipitation predictability estimates corresponding to recently discovered flavors of El Niño Southern Oscillation (ENSO) that are encoded in hidden states Tropical Pacific sea surface temperatures identified using a non-homogeneous Markov model. For each calendar month and for state, we assess future through conditional standardized anomaly average standard deviati...

2013
S. Russo A. Dosio A. Sterl P. Barbosa J. Vogt

[1] The probabilities of the occurrence of extreme dry/wet years and seasons in Europe are estimated by using two ways of the Standardized Precipitation Index (SPI and SPI-GEV) and the Standardized Nonstationary Precipitation Index (SnsPI). The latter is defined as the SPI by fitting precipitation data with a nonstationary Gamma distribution in order to model the precipitation time dependence u...

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