Spatio‐Temporal Changes in Extreme Rainfall Events Over Different Indian River Basins

Chaubey, Pawan Kumar; Mall, R. K.; Jaiswal, Rohit Kumar; Payra, Swagata

doi:10.1029/2021ea001930

Cited by 22 publications

(21 citation statements)

References 59 publications

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“…For instance, Mishra [21] observed an increase in the intensity and frequency of heavy rainfall events over India during recent decades, which is in line with the warming trend experienced in the region. In addition, Chaubey et al [53] indicated that climate change has made extreme precipitation events more probable in the Indian subcontinent. A separate study conducted by Pai et al [54] found a significant rise in the number of extreme precipitation events in India during the past few decades, with a notable increase in the intensity of these events.…”

Section: Discussionmentioning

confidence: 99%

MRI-AGCM Global Warming Experiments towards the Rainfall Characteristics over India

Nayak¹

2023

Preprint

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We investigated rainfall patterns in India over during the 60-year period from 1951 to 2010 and predicted changes for the next century (2051-2100) with an assumed 4K warming from large ensemble experiments (190 members). We focused on rainfall patterns during two periods of present-day climate (1951-1980 and 1981-2010) and their projected changes for the near and far future (2051-2080 and 2081-2110). Our analysis revealed that the northeastern region of India and some southern regions received higher rainfall during the period of 1951-2010. This finding is consistent with daily observations from the Asian Precipitation Highly Resolved Observational Data Integration Towards Evaluation (APHRODITE). In a warming climate, rainfall events in India are predicted to carry more precipitation, with the northeast and southern regions experiencing stronger rainfall events. The frequency and intensity of these events (with more than 20mm of rainfall per day, on average) are also expected to increase. Overall, our study suggests that water-related disasters such as flooding and landslides could be much worse in India in the future due to climate warming.

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Section: Discussionmentioning

confidence: 99%

MRI-AGCM Global Warming Experiments towards the Rainfall Characteristics over India

Nayak¹

2023

Preprint

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“…Trends in extreme rainfall events over various Indian river basins were analyzed by Chaubey et al (2022Chaubey et al ( ) using a 119-year (1901Chaubey et al ( -2019 high resolution gridded dataset obtained from IMD. A marked spatial shift in the trends of extreme rainfall events from the basins of north-eastern India to the west-Indian river basins was detected in the decades following S128 Eco.…”

Section: Rainfall Trends In Indian River Basins and Agroclimatic Zonesmentioning

confidence: 99%

Climate Change and Consequential Rainfall Trends: An Indian Perspective

Upadhyay¹,

Singh²,

Kothar³

2023

EEC

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This article presents an overview of different studies pertaining to the trends observed in rainfall over India and its constituent regions. The spatial scale of trend estimation considered in the reviewed studies is an important aspect that dictates the overall trends over a given scale and helps in ascertaining the influence of anthropogenic activities upon the resultant trends. In this article, Indian trend analysis studies conducted on a national, meteorologic sub-divisional, river basin and agro-climatic zonal level as well as for different time periods and time scales have been reviewed. One of the more recent national-scale studies were able to detect overall negative trends in the annual rainfall over India with a more prominent decline observed during the latter half of the 20th century and first decade of 21st century. Also, 17 out of 30 meteorological sub-divisions for which trend analysis was carried out exhibited increasing tendencies though, all were insignificant. Most of the river basins of India have shown an increasing trend in annual rainfall with Indus (lower) and Tapi basins observing maximum rise. Decreasing trends were however, recorded over most of the basins especially after 1970. The conclusions drawn from the review of suitable studies highlight the variation in trends across different studies due to a different set of variables and factors involved in individual studies. The practical significance of trend analysis has also been discussed along with a need of a more subjective assessment of the mathematical outputs obtained from commonly used trend analysis methods.

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“…In addition to gradually changing temperature and precipitation patterns, climate change-associated extreme events such as floods can increase substantially the transmission of water-borne diseases, viz., typhoid fever, cholera, leptospirosis and hepatitis A (Mall et al 2017;Chaubey et al 2021Chaubey et al , 2022. Flooding can result in stormwater overflow, leading to contamination of water supplies and resulting in a spike in water-borne diseases.…”

Section: Non-communicable Diseases (Ncds)mentioning

confidence: 99%

The nexus between climate change and public health: a global overview with perspectives for Indian cities

Rajput

Singh

et al. 2022

Arab J Geosci

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Climate change is widely recognized as a major threat to public health. The Intergovernmental Panel on Climate Change’s Sixth Assessment Report (IPCC AR6), assessing different Shared Socioeconomic Pathway scenarios (SSP1-1.9, SSP1-2.6, SSP2-4.5, SSP3-7.0 and SSP5-8.5), projects that relative to 1850–1900, the global temperature is rising and would exceed 2 °C during the twenty-first century under the high (SSP3-7.0) and very high (SSP5-8.5) greenhouse gas (GHG) emission scenarios considered. Populations within tropical and subtropical regions are more likely to experience increased vulnerability towards heat stress. In this study, a summary of some of the important aspects of climate change and human health has been presented. The effects of climate change on India’s energy demand, employment, labor market and benefits have also been highlighted. Finally, we have discussed the national policies implemented or action underway to mitigate climate change and improve public health and have also provided some recommendations to carry forward. The current study overviewing the nexus between climate change and public health has a major aim to provide a perspective towards strengthening the health system in Indian cities.

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Spatio‐Temporal Changes in Extreme Rainfall Events Over Different Indian River Basins

Cited by 22 publications

References 59 publications

MRI-AGCM Global Warming Experiments towards the Rainfall Characteristics over India

MRI-AGCM Global Warming Experiments towards the Rainfall Characteristics over India

Climate Change and Consequential Rainfall Trends: An Indian Perspective

The nexus between climate change and public health: a global overview with perspectives for Indian cities

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