Future climate change models

SS Showmitra Kumar Sarkar
RR Rhyme Rubayet Rudra
ST Swapan Talukdar
PD Palash Chandra Das
MN Md. Sadmin Nur
EA Edris Alam
MI Md Kamrul Islam
AI Abu Reza Md. Towfiqul Islam
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Global warming has altered air and ocean currents. This changed global precipitation and temperature patterns. Thus, groundwater depletion increases with global warming78. A shift in intense rainfall events may increase flooding hazards in terrain unfavorable for groundwater recharging78.

Researchers tried stochastic connections. General circulation model’s (GCM) predict climates. The groundwater potential models projected future rainfall, temperature, LULC, and other fixed factors. This study utilized CCSM-4 data from the fourth IPCC Assessment Report (AR) to address climate change in research. This analysis used AR5 representative concentration pathways (RCP) 2.5, 4.5, 6.0, 8.5 climate scenarios. RCPs depict air GHG concentrations and paths to get there. Due to greenhouse effect warming, they will induce radiation forcing by 2100. RCP2.5, 4.5, 6.0, and 8.5 are four IPCC RCPs based on greenhouse gas concentrations.

The NCAR GIS Initiative Climate Change Scenario site (https://gisclimatechange.ucar.edu) provides free data for this research. This research examined groundwater potentiality using climatic factors like rainfall for 2025, 2030, 2035 and 2040 under RCP2.5, 4.5, 6.0 and 8.5.

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