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Article

Influence of the Changes in Land-Use and Land Cover on Temperature over Northern and North-Eastern India

1
Center for Oceans, Rivers, Atmosphere and Land Sciences, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
2
Disaster Prevention Research Institute, Kyoto University, Kyoto 6110011, Japan
3
School of Atmospheric Sciences, Sun Yat-Sen University, Zhuhai Campus, Tangjiawan, Zhuhai 519082, China
4
Department of Mathematics, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, India
5
School of Earth Ocean and Climate Sciences, Indian Institute of Technology, Bhubaneswar 752050, India
6
Farmneed AgriBusiness Private Limited, Salt Lake 700091, India
*
Author to whom correspondence should be addressed.
Land 2021, 10(1), 52; https://doi.org/10.3390/land10010052
Received: 16 December 2020 / Revised: 4 January 2021 / Accepted: 6 January 2021 / Published: 8 January 2021
(This article belongs to the Special Issue Land Use and Climate Change)
This study explores the influence of land-use and land cover (LULC) changes on the temperature over North India (NI) and North-Eastern India (NEI) during 1981–2006 by subtracting the reanalysis temperature from the observed temperature (observation minus reanalysis (OMR) method). The normalized difference vegetation index (NDVI) data of the AVHRR satellite for the period 1981–2006 were analyzed to understand the type of LULC changes during this period and their linkage with the temperature change over the two regions. The results from OMR indicated that the LULC change over NI during 1981–2006 resulted a warming of 0.03 °C, and that of NEI during this period resulted a cooling of 1.5 °C. The results from LULC changes during the said period indicated an increase of dry land/snow cover and agriculture/fallow land by ~0.1% of total area and a decrease of shrubs/small vegetation and dense forest over NI by about 0.1–0.2%. Over NEI, the areas under agricultural/fallow land, open forest and dense forest showed an increase by about 0.8–2.4% during this period, and the areas under dry/snow cover and shrubs/small vegetation indicated a decrease by ~0.7–3.6%. The comparison between the OMR analysis and LULC changes indicated that the warming over NI during 1981–2006 is due to the expansion of the dry land and the decline of dense forest. On the other hand, the cooling over NEI during the period is attributed to the decline of non-vegetated/small vegetated lands and the expansion of agricultural land/forest covers in that period. This study has an overall implication towards the modeling studies for the impact assessment of LULC changes in the present as well as future climate. View Full-Text
Keywords: land-use and land cover change; climate change; OMR; Northern India; North-Eastern India land-use and land cover change; climate change; OMR; Northern India; North-Eastern India
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MDPI and ACS Style

Nayak, S.; Maity, S.; Singh, K.S.; Nayak, H.P.; Dutta, S. Influence of the Changes in Land-Use and Land Cover on Temperature over Northern and North-Eastern India. Land 2021, 10, 52. https://doi.org/10.3390/land10010052

AMA Style

Nayak S, Maity S, Singh KS, Nayak HP, Dutta S. Influence of the Changes in Land-Use and Land Cover on Temperature over Northern and North-Eastern India. Land. 2021; 10(1):52. https://doi.org/10.3390/land10010052

Chicago/Turabian Style

Nayak, Sridhara, Suman Maity, Kuvar S. Singh, Hara Prasad Nayak, and Soma Dutta. 2021. "Influence of the Changes in Land-Use and Land Cover on Temperature over Northern and North-Eastern India" Land 10, no. 1: 52. https://doi.org/10.3390/land10010052

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