Skip to main content
Log in

Investigation of Nonstationary Association of Monsoon Temperature and Precipitation Extremes through Past and Future over East-Central India

  • Published:
Pure and Applied Geophysics Aims and scope Submit manuscript

A Correction to this article was published on 15 March 2023

This article has been updated

Abstract

The variability of summer monsoon (June to September) precipitation is moderate across the homogeneous regions of East-Central (EC) India. Under the influence of growing anthropogenic warming, the nonstationarity of precipitation extremes is getting more pronounced. The generalized extreme value (GEV) distribution is applied for frequency, intense and absolute extreme precipitation categories using block maxima approach for modeling nonstationarity in time series by characterizing the trend in parameters of the distribution. Local temperature categories (LTCs) involve daily mean, maximum and minimum values, which are used as covariates to assess the trend characteristics in location and scale parameters. The best model is chosen from maximum counts of significant cases by applying likelihood ratio test and deviation statistics, \({\Delta }_{i}\), among the time-varying trend functions in parameters of GEV distribution. The ensemble (ENS) is bias corrected for obtaining reliable future signals under the representative concentration pathways (RCPs). The correlation coefficient estimates significant correlation between precipitation indices and LTC covariates. The trend statistic is predominately significant for observed and future precipitation indices. Significant trend of precipitation frequency and intensity is largely found over Sikkim, Sub-Himalayan West Bengal (SWB), Gangetic West Bengal (GWB), Jharkhand, Bihar, Vidarbha and Chattisgarh. The uncertainty in estimated quantiles of precipitation extremes remains high over the Himalayan territory. The highest average design return values (ARVs) at 10-, 20- and 50-year return periods are predicted over the Himalayan territory, which are moderate to high over Orissa. The minimum ARVs spread over East Uttar Pradesh (UP), Jharkhand, Coastal Andhra Pradesh (AP) and Telangana. The change estimation is detected for the future period (SCN; 2021–60) against the control period (CTL; 1961–2005). For RCP8.5, the ARVs get more intensified under nonstationarity, besides some strong decreasing signals in Bihar under both scenarios. The higher ARVs of intense and absolute indices over parts of East UP, Jharkhand, Orissa, Chattisgarh, Coastal AP and Telangana lead to future hydrodynamical changes in catchment areas. The outcomes assist the development of significant understanding of future extreme monsoon precipitation-induced hydrological risks across EC India under warming scenarios.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Fig. 7
Fig. 8
Fig. 9
Fig. 10
Fig. 11
Fig. 12
Fig. 13
Fig. 14
Fig. 15
Fig. 16
Fig. 17
Fig. 18
Fig. 19

Similar content being viewed by others

Data availability

The authors have no permission to share the data.

Change history

References

Download references

Funding

No funds, grants or other support were received.

Author information

Authors and Affiliations

Authors

Contributions

JB: Conceptualization, Methodology, Formal Analysis, Investigation, Resources, Data curation, Writing-original draft, Writing-review and editing, Visualization, Supervision (Lead). SB: Supervision.

Corresponding author

Correspondence to Jit Biswas.

Ethics declarations

Conflict of Interest

The authors declare that they have no known competing financial interest or personal relationships that could have appeared to influence the work reported in this paper.

Additional information

Publisher's Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

The original online version of this article was revised: It was inadvertently published with incorrect equation numbers in the sentence starting with "Consequently, the GEV models are fitted to the frequency.

Supplementary Information

Below is the link to the electronic supplementary material.

24_2023_3242_MOESM1_ESM.png

Supplementary file1, Figure S1. The spatial pattern of observed (OBS) and raw ensemble (ENS) and their respective bias for each grid space during 1961–2005. The bias-corrected (cor.) result shows considerable improvement across EC India. (PNG 67 kb)

Supplementary file2 (DOCX 16 kb)

Rights and permissions

Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Biswas, J., Bhattacharya, S. Investigation of Nonstationary Association of Monsoon Temperature and Precipitation Extremes through Past and Future over East-Central India. Pure Appl. Geophys. 180, 1143–1171 (2023). https://doi.org/10.1007/s00024-023-03242-w

Download citation

  • Received:

  • Revised:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s00024-023-03242-w

Keywords

Navigation