Proceedings of the Symposium on Global and Environmental Monitoring: Proceedings of the Symposium on Global and Environmental Monitoring

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Persistent identifier:: 856665355

Title:: Proceedings of the Symposium on Global and Environmental Monitoring

Sub title:: techniques and impacts ; September 17 - 21, 1990, Victoria Conference Centre, Victoria, British Columbia, Canada

Year of publication:: 1990

Place of publication:: Victoria, BC

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 856665355

Language:: English

Document type:: Multivolume work

Volume

Persistent identifier:: 856669164

Title:: Proceedings of the Symposium on Global and Environmental Monitoring

Sub title:: techniques and impacts; September 17 - 21, 1990, Victoria Conference Centre, Victoria, British Columbia, Canada

Scope:: XIV, 912 Seiten

Year of publication:: 1990

Place of publication:: Victoria, BC

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 856669164

Illustration:: Illustrationen, Diagramme, Karten

Signature of the source:: ZS 312(28,7,1)

Language:: English

Usage licence:: Attribution 4.0 International (CC BY 4.0)

Editor:: International Society for Photogrammetry and Remote Sensing, Commission of Photographic and Remote Sensing Data

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2016

Document type:: Volume

Collection:: Earth sciences

Chapter

Title:: [THP-5 IMAGE INTERPRETATION AND ANALYSIS]

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: THE INDIAN REMOTE SENSING SATELLITE (IRS-1A) AND ITS APPLICATION POTENTIALS. MG Chandrasekhar, V Jayaraman, K Radhakrishnan, CBS Dutt, B Manikiam, PP Nageswara Rao

Document type:: Multivolume work

Structure type:: Chapter

740 Considering the quality and planimetric fidelity of IRS-1A data, a national level project on landuse/land cover mapping at the district level has been initiated using Kharif and Rabi season data of IRS LISS-I. Towards this, for the 443 districts in India current landuse statistics are being generated for the first time using two seasons data providing Level-II information on landuse/land cover for effective operational planning of India's 15 Agro-climatic zones. So far 90 districts have been mapped and the results indicate accuracy levels upto 90%. 2.4 Water Resources Studies in the field of water resources using IRS-1A data include those of (i) hydrogeological and hydrogeomorphological investigation for ground water potential zone mapping (ii) sediment levels in Sunderbans delta in West Bengal Pong reservoir Himachal Pradesh and Matatila reservoir in Gujarat (iii) waterspread and capacity estimation in reservoirs (iv) assessment of suspended sediments in flood water (v) mapping of river channel courses, command area management, etc. Both visual and digital analysis techniques have been used to extract the hydrological information for the above areas. The results show that LISS-II data is very useful in hydrogeomorphic/ground water potential zones mapping on 1:125,000 and 1:50,000 scales. Geological, Geomorphological and structural details required in Ground water potential zone mapping are clearly depicted on LISS-II data. Sediment turbidity levels upto six classes in the coastal water could be delineated through above studies using LISS-II data. Case study in Ghaghara-Ami-Rapti river system in UP has shown that all the turbidity levels exhibited on 30m resolution Landsat TM data are also clearly described using 72 m resolution data of IRS LISS-I thus highlighting operational application potential of LISS-I data in reservoir sedimentation. Classification of Principal Component Analysed products have been found very effective in suspended sediment analysis in major water bodies (Parul, et.al, 1988). Apart from above studies a national level project on Ground Water Potential Zone Mapping for the entire country at district level has been carried out using IRS LISS-II and Landsat TM data on 1:250,000 scale. The Project has been completed and demonstrated the use of IRS LISS-II as complementary to Landsat TM. Use of these maps have led to increased success rate of ground water drilling to 85-90% as compared to 45% using conventional methods. Several case studies using LISS-I & II data for monitoring sediment and water spread levels for major reservoirs, lakes have also been carried out viz., Ramaganga reservoir (UP), Wooler (J&K) and Chilka lakes (Orissa), Bhadra reservoir (Karnataka) etc. In a study to demonstrate the use of satellite data (NIR band) for water spread estimation, Bhadra reservoir of Karnataka was monitored using satellite data which revealed an overall reduction in the reservoir capacity to 620.15 m over 632.98 m in a span of 17 years (Manavalan, et.al, 1990). 2.5 Soils Application of IRS-1A data for soil resources mapping includes mapping of soil classes and salinity/alkalinty and degraded soils. Soil mapping studies carried out using LISS-II data by digital/visual interpretation techniques for parts of Nagpur, Nanded, Coimbatore and Trichi districts has indicated that LISS-II data is very effective in mapping of soil classes. Principal component analysis and colour composites generated after Principal Component (PC) analysis (PCI + PC2 + PC3) are found very helpful in discrimination of soil classes. Another case study revealed that the soil maps generated using LISS-II data on 1:125,000 scale has been found as good as soils map generated using conventional techniques, and in addition a few soil groups were identified using remote sensing data that were not depicted on conventional soil maps (Rao, et.al, 1988). Information on physiographic units, a basic requirement in soils class mapping, is very well exhibited on LISS-I and LISS- II data. Information derived on soils from LISS-I and LISS-II data have been found comparable with that of Landsat MSS and TM data respectively. 2.6 Geology Several case studies using IRS-1A LISS-I and LISS-II data have been carried out throughout the country representing various geological regions. These include geological/geomorphological interpretation of IRS-1A data for Chandrapur, Bhopal, Nagpur, Simla-Solan-Sarahan area and Nahan-Papmta areas in Himalayan terrain; Tawa catchment area, Hosangabad and Betul districts and North Arcot district. Also under the "Project Vasundhara" covering about 4,00,000 sq kms area for prospecting base metal mineralisation zones in Southern Pennisular India, integration of data from IRS-1A, Landsat TM and airborne geophysical and ground surveys is being carried out

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