Review of approaches for selection and ensembling of GCMs

KS Raju, DN Kumar - Journal of Water and Climate Change, 2020 - iwaponline.com
Global climate models (GCMs) are developed to simulate past climate and produce
projections of climate in future. Their roles in ascertaining regional issues and possible …

Multi-model ensemble predictions of precipitation and temperature using machine learning algorithms

K Ahmed, DA Sachindra, S Shahid, Z Iqbal… - Atmospheric …, 2020 - Elsevier
Abstract Multi-Model Ensembles (MMEs) are often employed to reduce the uncertainties
related to GCM simulations/projections. The objective of this study was to evaluate the …

Selection of multi-model ensemble of general circulation models for the simulation of precipitation and maximum and minimum temperature based on spatial …

K Ahmed, DA Sachindra, S Shahid… - Hydrology and Earth …, 2019 - hess.copernicus.org
The climate modelling community has trialled a large number of metrics for evaluating the
temporal performance of general circulation models (GCMs), while very little attention has …

Large-scale atmospheric circulation patterns associated with extreme monsoon precipitation in Pakistan during 1981–2018

W Ullah, G Wang, D Lou, S Ullah, AS Bhatti, S Ullah… - Atmospheric …, 2021 - Elsevier
Abstract Deviations in South Asian Summer Monsoon (SASM) precipitation affect the
regional floods and drought patterns. In the current study, in-situ observations from Pakistan …

[PDF][PDF] Evaluation and projection of precipitation in Pakistan using the Coupled Model Intercomparison Project Phase 6 model simulations

A Abbas, S Ullah, W Ullah, M Waseem… - International Journal …, 2022 - drive.google.com
This study aimed to evaluate the performance of global climate models (GCMs) from the
family of the Coupled Model Intercomparison Project Phase 6 (CMIP6) in the historical …

[PDF][PDF] Evaluating the meteorological drought characteristics over Pakistan using in situ observations and reanalysis products

I Ullah, X Ma, J Yin, TG Asfaw, K Azam… - … journal of climatology, 2021 - researchgate.net
Drought is one of the most frequent natural disasters occurring in Pakistan and has a great
influence on livelihood, agriculture, and economy. The availability of longterm high-quality …

Spatiotemporal characteristics of meteorological drought variability and trends (1981–2020) over South Asia and the associated large-scale circulation patterns

I Ullah, X Ma, J Yin, A Omer, BA Habtemicheal… - Climate Dynamics, 2023 - Springer
The present study uses observation-based gridded air temperature and precipitation
datasets to investigate the spatiotemporal changes in meteorological drought from 1981 to …

Trend in extreme precipitation indices based on long term in situ precipitation records over Pakistan

AS Bhatti, G Wang, W Ullah, S Ullah… - Water, 2020 - mdpi.com
Assessing the long-term precipitation changes is of utmost importance for understanding the
impact of climate change. This study investigated the variability of extreme precipitation …

Exploring trends and variability of climate change indices in the agro‐ecological zones of Pakistan and their driving mechanisms

S Hina, F Saleem, A Hina, I Ullah, T Bibi… - International Journal …, 2024 - Wiley Online Library
Anthropogenic climate change induced weather and climate extremes have led to frequent
heat waves, droughts and floods threatening water resources and food security for an …

Modeling climate change impacts on precipitation in arid regions of Pakistan: a non-local model output statistics downscaling approach

K Ahmed, S Shahid, N Nawaz, N Khan - Theoretical and Applied …, 2019 - Springer
The uncertainties in climate projections in arid regions are quite high due to the large
variability of climate and the lack of high-quality climate observations. In this study, an …