Results 21 to 30 of about 31,043 (232)

Temporal and Spatial Variability of Drought Based on SPEI Analysis in Southeastern Romania [PDF]

Aerul şi Apa: Componente ale Mediului, 2020
This study investigates the drought trends and their spatial variability in southeastern Romania, based on the Standardized Precipitation Evapotranspiration Index (SPEI) analysis (for 1, 3, 6 and 12 months), by using E-OBS precipitation and temperature ...
Alexandra CHELU, Liliana ZAHARIA, Gabriela Ioana TOROIMAC   +2 more
doaj   +1 more source

Estimation of SPEI Meteorological Drought using Machine Learning Algorithms

, 2021
Accurate estimation of drought events is vital for the mitigation of their adverse consequences on water resources, agriculture and ecosystems. Machine learning algorithms are promising methods for drought prediction as they require less time, minimal ...
Mokhtar, A, Alsafadi, Karam, Mokhtar, Ali, Alsafadi, Karam,, Al-Ansari, N, Gyasi-Agyei, Yeboah, Alsafadi, K, Rodrigo-Comino, Jesús,, Elbeltagi, A, Jalali, M, Sammen, Saad Sh.,, He, Hongming,, Elbeltagi, Ahmed, Rodrigo-Comino, Jesús, Abdo, HG, He, Hongming, Al-Ansari, Nadhir,, Elbeltagi, Ahmed,, Mokhtar, Ali,, Al-Ansari, Nadhir, Abdo, Hazem Ghassan,, Sammen, SS, Rodrigo-Comino, J, Gyasi-Agyei, Yeboah,, Jalali, Mohammadnabi, Sammen, Saad Sh., He, H, Gyasi-Agyei, Y, Abdo, Hazem Ghassan, Jalali, Mohammadnabi,   +29 more
core   +1 more source

Hasniar SPEI

, 2021
Tugas pertemuan kedua Sejarah pemikiran ekonomi islam artikel ...
openaire   +1 more source

Tugas SPEI

, 2021
Sistem ekonomi sama sejarah perkembangan iyalah pada masa Khalifah sejarah pemikiran ekonomi Islam lebih fokus pada perekonomian pemikiran.
openaire   +2 more sources

Spatio-Temporal Variability of Drought in Pakistan Using Standardized Precipitation Evapotranspiration Index

Applied Sciences, 2019
Pakistan is among the top ten countries adversely affected by climate change. More specifically, there is concern that climate change may cause longer and severer spells of droughts.
Shoaib Jamro, Ghulam Hussain Dars, Kamran Ansari, Nir Y. Krakauer   +3 more
doaj   +1 more source

Monitoring Spatio-temporal pattern of drought using multi-satellite data during the period 2000 - 2018 (Case study: Iran) [PDF]

مخاطرات محیط طبیعی, 2021
Due to declining rainfall in the last two decades, drought has become a major problem in the world, especially in arid and semi-arid regions such as Iran, so monitoring and managing it is important.
Zahra Arabi, Shahin Mohammadi
doaj   +1 more source

Aplicação localizada de herbicidas para controle de alecrim-do-campo (vernonia nudiflora) em pastagem natural

Semiárida, 2020
Para avaliar o controle de alecrim-do-campo (Vernonia nudiflora) com aplicação de herbicidas de contato, foi conduzido durante 353 dias, um experimento com delineamento de parcelas subdivididas, dispostas em blocos ao acaso, com três repetições em um ...
J. G. Farias, E. L. Moojen, F. Jochims, D. B. Galvani, F. Barzotto, S. O. Machado   +5 more
doaj  

Copula-based drought severity-area-frequency curve and its uncertainty, a case study of Heihe River basin, China

Hydrology Research, 2020
Copulas are appropriate tools in drought frequency analysis. However, uncertainties originating from copulas in such frequency analysis have not received significant consideration. This study aims to develop a drought severity-areal extent-frequency (SAF)
Zhanling Li, Quanxi Shao, Qingyun Tian, Louie Zhang   +3 more
doaj   +1 more source

Contraste del EDI (Effective Drought Index) mensual como método simple para el monitoreo de sequías meteorológicas

Tecnología y ciencias del agua, 2021
Los índices de sequías se utilizan para detectar y dar seguimiento a las condiciones de sequía de una zona o región. Diversos índices de sequías han sido propuestos desde mediados de la década de 1970, algunos de ellos fueron desarrollados para una ...
Daniel Francisco Campos-Aranda
doaj   +1 more source

The River Spey [PDF]

Scottish Geographical Magazine, 1901
n ...
openaire   +1 more source