Results 1 to 10 of about 29,501 (231)

Sensitivity of Standardized Precipitation and Evapotranspiration Index (SPEI) to the choice of SPEI probability distribution and evapotranspiration method [PDF]

Journal of Hydrology: Regional Studies
Study region: The state of Oklahoma located in the Southern Plains region of the United States. Study focus: The standardized precipitation evapotranspiration index (SPEI) is a widely used meteorological drought index that incorporates potential ...
Ali Mirchi
exaly   +6 more sources

Use of the Standardized Precipitation Evapotranspiration Index (SPEI) to Characterize the Drying Trend in Southwest China from 1982–2012

Remote Sensing, 2015
In this study, the Standardized Precipitation Evaporation Index (SPEI) was applied to characterize the drought conditions in Southwest China from 1982–2012.
Xingwen Quan, Xiaojing Bai, Binbin He
exaly   +3 more sources

Drought detection in Java Island based on Standardized Precipitation and Evapotranspiration Index (SPEI)

Journal of Water and Climate Change, 2021
This study reports a drought analysis which was carried out using the Standardized Precipitation and Evapotranspiration Index (SPEI) to determine the spatial and temporal level of drought risk in Java, Indonesia.
Edvin Aldrian, Aldrian Edvin
exaly   +3 more sources

Estimation of drought trends and comparison between SPI and SPEI with prediction using machine learning models in Rangpur, Bangladesh

Geology, Ecology, and Landscapes
This study investigates drought trends, SPI-SPEI comparisons, and predictions in Rangpur, Bangladesh, from 1979 to 2020. We employed Modified Mann-Kendall for trend analysis, SPI and SPEI for drought assessment, and Pearson Correlation Coefficient and ...
Md Naimur Rahman, Hazem Ghassan Abdo, Md Salman Sohel   +2 more
exaly   +3 more sources

Investigating the Relationship Between Drought Parameters and Food Security Using Data Mining Methods (Case study: Alborz Province) [PDF]

Nīvār, 2023
Nowadays, due to the increase in population and the ever-increasing need for food, providing food security is considered one of the essential requirements in every region.
Mohammad Ansari Ghojghar
doaj   +1 more source

Drought Monitoring Using Landsat Derived Indices and Google Earth Engine Platform: A Case Study from Al-Lith Watershed, Kingdom of Saudi Arabia

Remote Sensing, 2023
Precise assessment of drought and its impact on the natural ecosystem is an arduous task in regions with limited climatic observations due to sparsely distributed in situ stations, especially in the hyper-arid region of Kingdom of Saudi Arabia (KSA ...
Nuaman Ejaz, Jarbou Bahrawi, Khalid Mohammed Alghamdi, Khalil Ur Rahman, Songhao Shang   +4 more
doaj   +1 more source

Spatio-temporal variation and future risk assessment of projected drought events in the Godavari River basin using regional climate models

Journal of Water and Climate Change, 2021
The study focused on the Godavari River basin to understand the alteration in the drought phenomenon for future scenarios. The Standardized Precipitation Evapotranspiration Index (SPEI)-3 is calculated from Climate Research Unit 4.03 precipitation, and ...
Soumyashree Dixit, Syed Tayyaba, K. V. Jayakumar   +2 more
doaj   +1 more source

Impact of climate change factor on the resource (providing) ecosystem services of the Lower Danube wetlands

Вісник Харківського національного університету імені В.Н. Каразіна. Серія Геологія. Географія. Екологія, 2023
Problem Statement. Wetlands perform many vital functions, in particular: accumulation and storage of surface waters; protection from storms and floods; strengthening the coastline and curbing water erosion; hydraulic connection with groundwater; surface ...
Mariia Slizhe, Tamerlan Safranov, Nikolai Berlinsky, Youssef El Hadri   +3 more
doaj   +1 more source

Exploring the Evolution of Drought Characteristics in Balochistan, Pakistan

Applied Sciences, 2020
In the wake of a rapidly changing climate, droughts have intensified, in both duration and severity, across the globe. The Germanwatch long-term Climate Risk Index ranks Pakistan among the top 10 countries most affected by the adverse effects of climate ...
Shoaib Jamro, Falak Naz Channa, Ghulam Hussain Dars, Kamran Ansari, Nir Y. Krakauer   +4 more
doaj   +1 more source

ارزیابی شاخص های بارش استاندارد شده و بارش-تبخیر-تعرق استاندارد شده در تشخیص ترسالی [PDF]

پژوهش‌های حفاظت آب و خاک, 2019
سابقه و هدف: سیلاب‌ها یکی از مخرب‌ترین بلایای طبیعی در جهان هستند که سبب خسارات بزرگی در جوامع انسانی و تغییر محیط طبیعی می‌شوند. در سالهای اخیر، احتمال وقوع سیل در بسیاری از نقاط جهان موجب نگرانی دائمی برای مردم و دولت‌ها شده است.
نازگل حسینی پژوه, خالد احمدالی, علیرضا شکوهی   +2 more
doaj   +1 more source