Drought metrics and temperature extremes over the Okavango River basin, southern Africa, and links with the Botswana high

O Moses, RC Blamey… - International Journal of …, 2023 - Wiley Online Library
Abstract The Okavango River Basin (ORB), including the World Heritage site Okavango
Delta, is a region of high biodiversity projected to suffer increased early summer drying …

Dry spells, wet days, and their trends across Southern Africa during the summer rainy season

W Thoithi, RC Blamey… - Geophysical Research …, 2021 - Wiley Online Library
Dry spell frequency and wet day occurrence during the summer rainy season across
southern Africa are examined using daily rainfall for 1982–2019. Evidence shows two sharp …

Moisture sources and atmospheric circulation associated with the record-breaking rainstorm over Zhengzhou city in July 2021

X Liu, M Yang, H Wang, K Liu, N Dong, H Wang… - Natural Hazards, 2023 - Springer
On 20 July 2021, the city of Zhengzhou in Henan Province, China experienced a record-
breaking rainfall event (“21· 7”) with a maximum hourly precipitation of 201.9 mm, which …

Precipitation over southern Africa: Moisture sources and isotopic composition

M Geppert, K Hartmann, I Kirchner… - Journal of …, 2022 - Wiley Online Library
Southern Africa, with its vast arid to semiarid areas, is considered vulnerable to precipitation
changes and amplifying weather extremes. However, during the last 100 ka, huge lakes …

On the ridging of the South Atlantic Anticyclone over South Africa: The impact of Rossby wave breaking and of climate change

I Ivanciu, T Ndarana, K Matthes… - Geophysical Research …, 2022 - Wiley Online Library
Abstract Ridging South Atlantic Anticyclones contribute an important amount of precipitation
over South Africa. Here, we use a global coupled climate model and the ERA5 reanalysis to …

Drivers of seasonal rainfall variability over the Angolan and Namibian plateaus

CA Pereira, JP Martins, AH Fink… - International Journal …, 2024 - Wiley Online Library
Southern Africa has been strongly affected by ongoing climate change in recent decades.
Rainfall variability is modulated by regional patterns of moisture advection and convergence …

Extreme rainfall events over the Okavango river basin, southern Africa

O Moses, RC Blamey, CJC Reason - Weather and Climate Extremes, 2023 - Elsevier
Characteristics of extreme rainfall events in the highly biodiverse Okavango River Basin
(ORB) in west central southern Africa are not well understood. Hence, this study analyses …

Two types of ridging South Atlantic Ocean anticyclones over South Africa and the associated dynamical processes

T Ndarana, TS Rammopo, CJC Reason… - Atmospheric …, 2022 - Elsevier
Using 41 years of ERA5 reanalysis, two types of ridging South Atlantic Ocean high pressure
systems were identified in the South African domain. Type-N events have a zonal structure …

On the importance of the Mozambique Channel for the climate of southeastern Africa

D Mawren, R Blamey, J Hermes, CJC Reason - Climate Dynamics, 2023 - Springer
The unique geography of the Mozambique Channel largely results from the mountainous
island of Madagascar, the fourth largest island in the world by area, extending 13 degrees of …

Relationships between NDVI, river discharge and climate in the Okavango River Basin region

O Moses, RC Blamey… - International Journal of …, 2022 - Wiley Online Library
Abstract The Okavango River Basin (ORB) is a highly sensitive and biodiverse region in
southern Africa whose climate, vegetation and river discharge characteristics are not well …