Estimation of chlorophyll-A concentration using an artificial neural network (ANN)-based algorithm with oceansat-I OCM dataJournal of the Indian Society of Remote Sensing - Tập 35 - Trang 201-207 - 2007
P. V. Nagamani, Prakash Chauhan, R. M. Dwivedi
An artificial neural network (ANN) based chlorophyll-a algorithm was developed to estimate chlorophyll-a concentration using OCEANSAT-I Ocean Colour Monitor (OCM) satellite-data. A multi-layer perceptron (MLP) type neural network was trained using simulated reflectances (~60,000 spectra) with known chlorophyll-a concentration, corresponding to the first five spectral bands of OCM. The correlation ...... hiện toàn bộ
Remote Sensing and Geographical Information System for canopy cover mappingJournal of the Indian Society of Remote Sensing - Tập 29 - Trang 107-113 - 2001
Ndr Krishna, A K Maji, YVN Krishna Murthy, BSP Rao
Availability of remote sensing data from earth observation satellites has made it convenient to map and monitor land use/land cover at regional to local scales. A land cover map is very critical for a various planning activities including watershed planning. The spectral and spatial resolutions are major constraints for mapping the crop resources at microlevel. The cropping pattern zones have been...... hiện toàn bộ
Application of Remote Sensing in Monitoring Unsustainable Wetlands: Case Study Hamun WetlandJournal of the Indian Society of Remote Sensing - Tập 46 - Trang 1871-1879 - 2018
Saeideh Maleki, Alireza Soffianian, Saeid Soltani Koupaei, Sassan Saatchi, Saeid Pourmanafi
Monitoring wetland as one of the important parts of the global ecosystem is necessary for conservational programs. But, usually, collecting in situ data is restricted in these areas because of their remote locations, vast area and dynamic conditions. Remote sensing provides a cost effective tool to investigate hydrological patterns and the seasonal trend of changes in wetlands. In this paper, Land...... hiện toàn bộ
Impact of 2018 Kerala Floods on Soil Erosion: Need for Post-Disaster Soil ManagementJournal of the Indian Society of Remote Sensing - Tập 48 - Trang 1373-1388 - 2020
Pennan Chinnasamy, Vaishnavi Uday Honap, Ambadas Bandu Maske
Extreme precipitation events lead to flash floods, which can trigger soil erosion and landslides. While damages to infrastructure and livelihoods are rapidly assessed on economic terms, damages to natural resources are not estimated due to limited observation record. This study conducted an analysis using remote sensing data to estimate changes in soil erosion rates before, during and after the Ke...... hiện toàn bộ
Study on Distribution Characteristics of Suspended Sediment in Yellow River Estuary Based on Remote SensingJournal of the Indian Society of Remote Sensing - Tập 47 - Trang 1507-1513 - 2019
Shengyan Yu, Venkata Subrahmanyam Mantravadi
In this paper, we used the MODIS L1B remote sensing images of March, June, September and December in 2006–2011 which were selected. The distribution characteristics of suspended sediment in the Yellow River estuary were analyzed by combining the cross-calibrated multi-platform wind data of the same period. From the spatial distribution, there are mainly three high concentration suspended sediment ...... hiện toàn bộ
Characterization of agroecosystem based on land utilization indices using remote sensing and GISJournal of the Indian Society of Remote Sensing - Tập 34 - Trang 23-37 - 2006
Indrani Choudhury, M. Chakraborty, S. C. Santra, J. S. Parihar
Information on various agricultural resource parameters at various levels is essential for proper management and efficient resource allocation for sustainable agricultural development. Limitations in ground-based method have encouraged the use of satellite data coupled with geographical information system (GIS) in providing spatial as well as temporal information over large and inaccessible areas....... hiện toàn bộ
Implementation of RISAT-1 Hybrid Polarimetric Decomposition Techniques and Analysis Using Corner Reflector DataJournal of the Indian Society of Remote Sensing - Tập 46 - Trang 1005-1012 - 2018
P. V. Jayasri, K. Niharika, Manoj Joseph, H. S. V. Usha Sundari Ryali, C. V. Ramana Sarma, E. V. S. Sita Kumari, A. V. V. Prasad
With recent advances in polarimetry, Synthetic Aperture Radar (SAR) with Hybrid–polarity architecture, a demonstration of compact polarimetry enabled larger swath coverage, reduced PRF and SAR system complexity as compared to fully polarimetric systems. The first Hybrid Polarimetric Space-borne SAR in Earth Observation orbit, India’s Radar Imaging Satellite (RISAT-1) is a new-fangled gateway to r...... hiện toàn bộ