A Study on the Relationship between Land Surface Temperature and Normalized Difference Built-Up Index: A Case of Aizawl City

Increase in Land Surface Temperature has been seen as the impact of urban development. The current study has performed determination of Land Surface Temperature (LST) and Normalized Difference Build up Index (NDBI) of Aizawl city using Landsat 8 OLI/TIRS satellite data. The NDBI shows the values ranges from -0.3 to 0.2. The higher NDBI values indicate highly concentrated settlements, while the negative values indicate a water body. LST was identified to range from 8.6°C to 23.9°C, and both variables indicated that the higher values were observed within the city's center. Their functional relationship has been determined through simple linear regression, the LST as dependent and NDBI as the independent variables. The correlation coefficient is 489 and the R2 equals 23.9% with the slope of 16.92 and intercept value as 16.96.