![]() During this period, forest has decreased whereas settlements increased by 13 Km2. According to the change detection report from 1989 to 2001, irrigated agriculture increased about 156 Km2 while winter agriculture is decreased about 49 Km2 over the areas. To perform this research, Landsat TM and ETM+ of 19 were used to identify land degradation and to assess landuse change over 12 years in the study area. more In recent years, the North-Western part of Bangladesh has been experiencing land degradation as well as changing landuse patterns due to huge population and their socio-economic activities. In recent years, the North-Western part of Bangladesh has been experiencing land degradation as w. In addition to this analysis, Naogoan and ChapaiNabanganj districts were found a. From the VHI analysis, we found that about 147956 (29 % of the total), 173194 (34 % of the total) and 191352 (37 % of the total) hectare lands as extreme, high and moderate drought areas respectively in the study area. Mainly NDVI (Normalized Difference Vegetation Index) and LST (Land Surface temperature) were the main geospatial data to map Vegetation Health Index (VHI). Finally, these both information helped to derive Vegetation Health Index (VHI) during high summer periods in 2000, 20 to assess drought vulnerability in terms of agriculture. In this paper, we used MYD13Q1 and MOD11 of Moderate Resolution Imaging Spectroradiometer (MODIS)/Terra in order to extract Vegetation Condition Index (VCI) and Temperature Condition Index (TCI). more Abstract: The North-Western part of Bangladesh has been experiencing extreme weather and frequent drought conditions compare to the other parts of the country. Most of the high hotspot zones are identified in the middle of the.Ībstract: The North-Western part of Bangladesh has been experiencing extreme weather and frequent. ![]() The findings of this research reveal that the annual concentration of PM2.5 is increased by 47% during 2002–2019. A non-parametric statistical analysis is conducted to understand the mean impacts. To explore the health impacts due to PM2.5, a questionnaire survey is conducted on pregnant women and population aged 60 + in both high- and low-spots zones. A time-series of remotely sensed PM2.5 is used in hotspot analysis, applying Geographic Information Systems (GIS). This research aims to perform a spatiotemporal mapping of PM2.5 from 2002–2019 to identify the hotspots in central Bangladesh and to estimate the health impacts on pregnant women and population aged 60+. In Bangladesh, particularly in the major urban cities, PM2.5 has been identified as a significant public health hazard. ![]() more Particulate matter (PM2.5) is one of the critical sources for outdoor air pollution and poses the most significant public health threat. Particulate matter (PM2.5) is one of the critical sources for outdoor air pollution and poses the. CH4 increases gradually during 2018-2021 in Dhaka, Gazipur, and Munshiganj Districts. ![]() Temporal CH4 datasets from the Sentinel-5P sensor are classified to estimate the annual CH4 concentration during 2019-2021.Seven supervised classifiers of ML coupled with the GWR model are used to predict the statistical and spatial relationships. The study applies Machine Learning (ML) technique and Geographically Weighted Regression (GWR) Modeling. These pollutants are: Particular matters (PM2.5), Nitrogen dioxide (NO2), Nitrogen oxide (NOx), Aerosol optical thickness (AOT), Sulfur dioxide (SO2), Carbon monoxide (CO), Ozone (O3), Black carbon (BC), Formaldehyde (HCHO) and Dust. The hypothesis considers that the concentration of CH4 is dependent on the ten air pollutants found in the five districts in Dhaka Division, a major urban and industrial area in Bangladesh. more This paper investigates the probable nexus between methane (CH4) and air pollutants, a public health hazard in Bangladesh. This paper investigates the probable nexus between methane (CH4) and air pollutants, a public hea.
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