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- Title
Analysis of temperature variability over north-west part of India for the period 1970-2000.
- Authors
Punia, Monika; Nain, Suman; Kumar, Amit; Singh, Bhupendra; Prakash, Amit; Kumar, Krishan; Jain, V.
- Abstract
The main aim of this study was to investigate the temporal trends in maximum ( T), minimum ( T) temperature and diurnal temperature range (DTR) at annual and seasonal basis for seven sites in north-west region of India. The analysis was carried out for period of 31 years (1970-2000). The magnitude of trends and their significance were determined using Sen's slope and Mann-Kendall methods. Additionally, persistence analysis of annual average DTR and mean temperature ( T) has been carried out using cumulative annual mean (CAM) method. It is clear from the results that during last three decades the majority of sites showed decrease/(increases) in DTR/( T) trends for seasonal and annual time scale. While, trends in annual and seasonal T were observed insignificant. CAM analysis demonstrated that T has increased consistently since 1987-1988 onwards at majority of the sites. Further, correlation analysis revealed that rainfall along with potential evapotranspiration may be one of the important reasons for observed DTR decrease.
- Subjects
NORTHWESTERN India; ATMOSPHERIC temperature; CLIMATE change; STATISTICAL correlation; RAINFALL; EVAPOTRANSPIRATION
- Publication
Natural Hazards, 2015, Vol 75, Issue 1, p935
- ISSN
0921-030X
- Publication type
Article
- DOI
10.1007/s11069-014-1352-8