Skip to main content
Log in

Detection of abrupt change in trends of rainfall and rainy day’s pattern of Uttarakhand

  • Original Paper
  • Published:
Arabian Journal of Geosciences Aims and scope Submit manuscript

Abstract

Due to climate change, variations in rainfall and rainy days have significant effects on the hydrological cycle and these changes are important for planning and management of flood, drought, and water resources. The study aimed to determine spatio-temporal change in annual rainfall and rainy days for thirteen districts of Uttarakhand, India, located at the foothill of the Himalayan region. The temporal trend in data was determined using the Mann–Kendall (MK) test and the modified Mann–Kendall (MMK) test at a 10% level of significance after investigating autocorrelation in the data set using the student’s t-test at a 10% level of significance. Theil’s-Sen slope estimator test was used to evaluate the slope of rainfall and percentage change in rainfall over Uttarakhand. Furthermore, the sequential Mann-Kendal test (SMK) has been applied to determine the abrupt change in rainfall and rainy-day time-series. Results of the study show that six districts have an increasing trend from which two districts show a significant increasing trend and seven districts show a decreasing trend from which one district has a significantly decreasing trend at a 10% level of significance. In the case of rainy days, four districts have an increasing trend from which two districts show a significant increasing trend and nine districts show a decreasing trend from which no district show a significant decrease at a 10% level of significance. Based on the SMK test, Uttarkashi District shows a maximum of six change point years, whereas Rudraprayag District has no change point year in annual rainfall. For rainy days, Uttarkashi and U. S. Nagar Districts have a maximum of seven change point years, whereas Bageshwar, Haridwar, and Rudraprayag Districts have no change point years. Spatial distribution in annual rainfall and rainy days interpolated by inverse distance weighted (IDW) method in QGIS 3.14. The spatial map might be very helpful for local farmers, water managers, and stockholders to assailability and risk of climate change in their region. The result of the study also could be very precious for agriculture planning, water management, and soil and water conservation for Uttarakhand.

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

Similar content being viewed by others

Data Availability

We are thankful to IMD Dehradun Uttarakhand India for providing data for this study.

References

Download references

Acknowledgements

The first author (Saroj Rana) is thankful for fellowship from Inspire Programme, Department of Science and Technology (DST), Government of India. We are also thankful to Indian Institute of Technology, Ropar, Punjab, India, for providing necessary facilities.

Author information

Authors and Affiliations

Authors

Contributions

SR collected the data from IMD Dehradun and determined statistical parameters. After that applied MK test, MMK test, and Theil-Sen’s slope test. VD participated in spatial distribution of rainfall and performs it in QGIS. SR and VD drafted the manuscript. SRC revise and checked the manuscript. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Saroj Rana.

Ethics declarations

We confirm that the manuscript has been read and approved by all named authors and that there are no other persons who satisfied the criteria for authorship but are not listed. We further confirm that the order of authors listed in the manuscript has been approved by all of us.

We confirm that we have given due consideration to the protection of intellectual property associated with this work and that there are no impediments to publication, including the timing of publication, with respect to intellectual property. In so doing, we confirm that we have followed the regulations of our institutions concerning intellectual property.

We understand that the corresponding author is the sole contact for the Editorial process (including Editorial Manager and direct communications with the office). He is responsible for communicating with the other authors about progress, submissions of revisions, and final approval of proofs. We confirm that we have provided a current, correct email address which is accessible by the corresponding author and which has been configured to accept email from saroj.20cez0006@iitrpr.ac.in

Ethical statement

Authors of the manuscript titled “Detection of abrupt change in trends of rainfall and rainy-day’s pattern of Uttarakhand” are submitted an original research article.

Conflict of interest

The authors declare no competing interests.

Additional information

Responsible Editor: Zhihua Zhang

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Rana, S., Deoli, V. & Chavan, S.R. Detection of abrupt change in trends of rainfall and rainy day’s pattern of Uttarakhand. Arab J Geosci 15, 618 (2022). https://doi.org/10.1007/s12517-022-09883-w

Download citation

  • Received:

  • Accepted:

  • Published:

  • DOI: https://doi.org/10.1007/s12517-022-09883-w

Keywords

Navigation