Publications

Momo, N; Devi, TT (2022). Assessment of land surface temperature and carbon sequestration using remotely sensed satellite data in the Imphal-West district, Manipur, India. JOURNAL OF EARTH SYSTEM SCIENCE, 131(4), 229.

Abstract
The interrelationship between the land use and land cover (LULC) pattern, land surface temperature (LST), carbon stock, and sequestration has been assessed using satellite data and Geographical Information System (GIS) tools in Imphal-West district, Manipur, India (North Eastern region of India). LST for the past 10 years (2011-2021) was calculated using three retrieval methods such as Mono Window Algorithm (MWA), Radiative Transfer Equation (RTE) and Single Channel Algorithm (SCA). The calculated LST (temperature varies in the range of 10 degrees-40 degrees C) was compared with atmospheric temperature values obtained from MODIS (Moderate Resolution Imaging Spectroradiometer) data as well as field (ground station) data collected. From the comparison, it was observed that the SCA method obtained a minimum mean temperature difference (minimum error) as compared to MODIS data, while the MWA method obtained a minimum mean temperature difference as compared to field data. The calculated (generated) results were again compared and validated using measured soil temperature data and observed similar trend showing MWA and SCA slightly efficient than RTE method. In order to understand the LULC change pattern in the study area as well as to estimate the aboveground biomass, LULC for the years 2011, 2016, 2021, and 2030 were also generated. Then, carbon stock for the years 2011, 2021, and 2030 and sequestration for the year 2030 were calculated using the InVEST (Integrated Valuation of Ecosystem Services and Tradeoffs) model. It is concluded that the study area has witnessed a gradual increase in urbanisation (built-up area increases by up to 2.9% in 10 years, i.e., between 2011 and 2021, but significantly decreases in barren land, 9.9%), but not an abrupt change in LST and carbon storage. However, the significant spatial change distribution of LST and carbon stock with the change in LULC pattern was observed.

DOI:
10.1007/s12040-022-01944-8

ISSN:
0973-774X