Precipitation concentration changes over India during 1951 to 2015 | Zendy

S. Nandargi S. | Zendy; Aman Kumar | Zendy

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Precipitation concentration changes over India during 1951 to 2015

Author(s) -

S. Nandargi S.,

Aman Kumar

Publication year - 2018

Publication title -

scientific research and essays

Language(s) - English

Resource type - Journals

ISSN - 1992-2248

DOI - 10.5897/sre2017.6540

Subject(s) - precipitation , conventional pci , environmental science , flood myth , soil loss , hydrology (agriculture) , spatial distribution , erosion , index (typography) , physical geography , climatology , geography , meteorology , geology , remote sensing , geomorphology , psychology , geotechnical engineering , archaeology , psychiatry , myocardial infarction , world wide web , computer science

The precipitation concentration index (PCI) of Indian region using monthly data for 1951 to 2015 was estimated on an annual and seasonal scale to show the changes in temporal and spatial distribution of rainfall over the 34 meteorological sub-divisions. As a result, annual values of PCI showed more erratic nature than the uniform to moderate behaviour of seasonal (Jun-Sept) PCI values. Computation of PCI will be useful in hydrological, water resources as well as flood and drought management programs. As floods are more common in north and northeast India, PCI may serve as a warning tool in disaster control management in relation to floods and soil erosion since PCI can help in the analysis of soil erosion and in the calculation of erodibility of land and loss of soil due to it. Key words: Temporal and spatial distribution of rainfall, precipitation concentration index, meteorological sub-divisions of India, floods and erosion.

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