Zobrazeno 1 - 10
of 314
pro vyhledávání: '"drought frequency"'
Publikováno v:
Geomatics, Natural Hazards & Risk, Vol 15, Iss 1 (2024)
Drought is a major natural hazard in Ethiopia, posing significant challenges and severe consequences. This research aimed to assess the occurrence and distribution of drought in the Bilate River Watershed (BRW) using the Vegetation Health Index (VHI)
Externí odkaz:
https://doaj.org/article/ab0fba46beec4305ba4d03d9c943a11e
Autor:
Mustafa Öney, Alper Anlı
Publikováno v:
Journal of Agricultural Sciences, Vol 29, Iss 4, Pp 1032-1049 (2023)
In this study, regional drought analysis was performed with the Standard Precipitation Evapotranspiration Index (SPEI) and L-moment techniques by using the monthly average temperature and monthly total rainfall amounts collected from five sites in th
Externí odkaz:
https://doaj.org/article/fbe8d69096ae45a4b2e44b88a69b785c
Publikováno v:
Ecology and Society, Vol 29, Iss 1, p 27 (2024)
Portions of group ranches of northern Kenya communally held by pastoralists have been removed from grazing to support wildlife and encourage tourism and the resources that follow. These community-based conservancies (CBCs) were designed to benefit CB
Externí odkaz:
https://doaj.org/article/3b5a76497538453780ad518b2c5c5bf4
Publikováno v:
Geomatics, Natural Hazards & Risk, Vol 13, Iss 1, Pp 2737-2776 (2022)
This article reviews the main recent applications of multi-sensor remote sensing and Artificial Intelligence techniques in multivariate modelling of agricultural drought. The study focused mainly on three fundamental aspects, namely descriptive model
Externí odkaz:
https://doaj.org/article/13278bdf87e544c69c6dc18b13e5c0ae
Proportional odds model for identifying spatial inter-seasonal propagation of meteorological drought
Autor:
Rizwan Niaz, Muhammad Ahmad Raza, Mohammed M. A. Almazah, Ijaz Hussain, A.Y. Al-Rezami, Mohammed M. Ali Al-Shamiri
Publikováno v:
Geomatics, Natural Hazards & Risk, Vol 13, Iss 1, Pp 1614-1639 (2022)
Drought is probably the most multifaceted environmental disaster that results from a precipitation deficiency. It perhaps has directly and indirectly potential effects on people's lives, the economy, and other environmental resources worldwide. Howev
Externí odkaz:
https://doaj.org/article/161e36f520164e7caf95074781016341
Publikováno v:
Geomatics, Natural Hazards & Risk, Vol 13, Iss 1, Pp 1342-1365 (2022)
This study utilised multi-temporal satellite data to characterize droughts across the five Agro-ecological zones (AEZ) of Zimbabwe at monthly, seasonal, sub-seasonal and annual scales (2000 to 2018) using a combination of Satellite Pour l'Observation
Externí odkaz:
https://doaj.org/article/485d3e014cbd40ca9eb1624c4eee143f
Autor:
Alain Dejean, Frédéric Petitclerc, Arthur Compin, Frédéric Azémar, Stanislas Talaga, Bruno Corbara
Publikováno v:
Basic and Applied Ecology, Vol 62, Iss , Pp 61-69 (2022)
In Amazonia higher Atlantic sea surface temperatures, greenhouse gasses, deforestation and El Niño events result in the greater frequency of severe droughts, although total rainfall has increased due to wetter rainy seasons, something confirmed in F
Externí odkaz:
https://doaj.org/article/3325a4d265464b19acc75f6fe2684047
Publikováno v:
Frontiers in Environmental Science, Vol 11 (2023)
Droughts have become more powerful and frequent, affecting more people for longer periods than any other natural disaster, particularly in eastern Africa. The unprecedented climate change has increased the severity, duration, and frequency of drought
Externí odkaz:
https://doaj.org/article/1fa4a7844be14c5e9d41cb50390f0b80
Publikováno v:
Water, Vol 16, Iss 2, p 325 (2024)
Drought is a natural disaster with severe global agricultural and economic impacts. Accurate drought indices are needed for improved assessment and monitoring; however, most existing drought indices poorly represent agricultural drought due to comple
Externí odkaz:
https://doaj.org/article/076d45f6b9664eea90cf99a6dfb7cc6e
Autor:
Dan Rosbjerg, Kolbjørn Engeland, Eirik Førland, Ali Torabi Haghighi, Ali Danandeh Mehr, Jonas Olsson
Publikováno v:
Hydrology Research, Vol 53, Iss 6, Pp 840-866 (2022)
The paper presents prominent Nordic contributions to stochastic methods in hydrology and water resources during the previous 50 years. The development in methods from analysis of stationary and independent hydrological events to include non-stationar
Externí odkaz:
https://doaj.org/article/ed64a4e3135d433d86a520cee72b919d