The present and future of the West African monsoon: A process-oriented assessment of CMIP5 simulations along the AMMA transect

R Roehrig, D Bouniol, F Guichard, F Hourdin… - Journal of …, 2013 - journals.ametsoc.org
The present assessment of the West African monsoon in the models of the Coupled Model
Intercomparison Project (CMIP) phase 5 (CMIP5) indicates little evolution since the third …

Re-greening Sahel: 30 years of remote sensing data and field observations (Mali, Niger)

C Dardel, L Kergoat, P Hiernaux, E Mougin… - Remote Sensing of …, 2014 - Elsevier
Desertification of the Sahel region has been debated for decades, while the concept of a “re-
greening” Sahel appeared with satellite remote sensing data that allowed vegetation …

Normalized difference water indexes have dissimilar performances in detecting seasonal and permanent water in the Sahara–Sahel transition zone

JC Campos, N Sillero, JC Brito - Journal of Hydrology, 2012 - Elsevier
The decrease of water resources can enhance poverty and increase insecurity in dry
regions, at the same time leading to loss of biological diversity. For these reasons, the …

Ecosystem properties of semiarid savanna grassland in West Africa and its relationship with environmental variability

T Tagesson, R Fensholt, I Guiro… - Global change …, 2015 - Wiley Online Library
The Dahra field site in Senegal, West Africa, was established in 2002 to monitor ecosystem
properties of semiarid savanna grassland and their responses to climatic and environmental …

Evaluation of MODIS gross primary productivity for Africa using eddy covariance data

M Sjöström, M Zhao, S Archibald, A Arneth… - Remote sensing of …, 2013 - Elsevier
MOD17A2 provides operational gross primary production (GPP) data globally at 1km spatial
resolution and 8-day temporal resolution. MOD17A2 estimates GPP according to the light …

Actual evapotranspiration in drylands derived from in-situ and satellite data: Assessing biophysical constraints

M García, I Sandholt, P Ceccato, M Ridler… - Remote Sensing of …, 2013 - Elsevier
Improving regional estimates of actual evapotranspiration (λΕ) in water-limited regions
located at climatic transition zones is critical. This study assesses an λΕ model (PT-JPL …

Rain-use-efficiency: What it tells us about the conflicting Sahel greening and Sahelian paradox

C Dardel, L Kergoat, P Hiernaux, M Grippa, E Mougin… - Remote Sensing, 2014 - mdpi.com
Rain Use Efficiency (RUE), defined as Aboveground Net Primary Production (ANPP) divided
by rainfall, is increasingly used to diagnose land degradation. Yet, the outcome of RUE …

Improving the representation of forests in hydrological models

H Haas, NGF Reaver, R Karki, L Kalin… - Science of The Total …, 2022 - Elsevier
Forests play a critical role in the hydrologic cycle, impacting the surface and groundwater
dynamics of watersheds through transpiration, interception, shading, and modification of the …

AMMA‐CATCH, a critical zone observatory in West Africa monitoring a region in transition

S Galle, M Grippa, C Peugeot, IB Moussa… - Vadose Zone …, 2018 - Wiley Online Library
Core Ideas AMMA‐CATCH is a long‐term critical zone observatory in West Africa. Four sites
sample the sharp ecoclimatic gradient characteristic of this region. Combined …

The paradoxical evolution of runoff in the pastoral Sahel: analysis of the hydrological changes over the Agoufou watershed (Mali) using the KINEROS-2 model

L Gal, M Grippa, P Hiernaux, L Pons… - Hydrology and Earth …, 2017 - hess.copernicus.org
In recent decades, the Sahel has witnessed a paradoxical increase in surface water despite
a general precipitation decline. This phenomenon, commonly referred to as the Sahelian …