Application of remote sensing and GIS for sustainable development

Bibliographic data

Monograph

Persistent identifier:: 856472832

Title:: Application of remote sensing and GIS for sustainable development

Sub title:: [Workshop on "Environmental Modelling Using RS & GIS for Sustainable Development" ... on 11th March 1999]

Scope:: 82 Seiten

Year of publication:: 1999

Place of publication:: Coventry

Publisher of the original:: RICS Books

Identifier (digital):: 856472832

Illustration:: Illustrationen, Diagramme, Karten

Language:: English

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

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:: Monograph

Collection:: Earth sciences

Chapter

Title:: PRESENT AND ALTERNATE LANDUSE BASED ON NATURAL RESOURCES - ROLE OF REMOTE SENSING AND GEOGRAPHICAL INFORMATION SYSTEM. M. L. Manchanda & M. Kudrat

Document type:: Monograph

Structure type:: Chapter

Table 2. Information needs in soil map. 16 S.No. Information Scale Purpose Remarks 1. Great group/their association 2. Sub group/Family association 3. Series association 4. Pure series 5. Pure series and their phases 1:1 m National Atlas, reference for regional level soil surveys, input for national projects like IGBP and GCM National organisations like NATMO NBSS & LUP, AIS& LUS 1:250,000 Planning for states or region, soil delineated for possible use and not for management purpose, tentative project site location 1:50,000 . District land use planning, Forest, Horticulture at micro watershed level etc. Command areas and pre-irrigation surveys, tentative site planning and feasibility studies 1:25,000 Block/Mandal level planning and implementation 1:4,000 Project/site specific planning and implementation State planning Board/Dept. DRDO, DPAP, JDA, ETC. DRDO. DPAP, JDA. ETC. DRDO, DPAP, JDA. ETC. SOIL RESOURCE MAPPING Soil map constitute an important component for landuse planning. The scale of mapping, however, varies for different purposes. A mapping scale of 1:1,000,000 is considered appropriate for national level mapping, whereas at district level 1:50,000 scale of mapping is operational. The requirements may reach to about 1:4,000 scale for farm level/microwatershed level (Table 1). The information needs also vary with different scales (Table 2). A scale of 1:10,00,000 provides information on great group and their association, these maps are used for generating national atlas and act as reference for regional level soil surveys, and provide inputs for national/continental level studies (e.g. IGBP and GCM). The state level mapping (1:250,000) exhibits subgroups or family association whereas 1:50,000 mapping depicts the association of series. Pure series are provided at 1:25,000 scale and used for Block/Mandal level planning and implementation. The pure series and their phases are included in detailed soil maps (1:4,000 scale) which are used for project/site specific planning and implementation. Soil is a complex system and is the resultant product of geology, topography and vegetation cover. These factors influence the spectral behaviour. Thus, spectral characteristics and topographic information are the possible clue for differentiating different soils. The mapping of soil is based on landscape soil model. The area is subdivided into various physio graphic soil units based on multiphase stratification. Each unit is sampled in the field to determine the soil type. The job of stratification can be carried out using either visual or digital image analysis techniques. A number of case studies carried out by various workers (NBSSLUP 1996 abed; Karale et al., 1991; Kudrat eta/., 1992), are available which explain the technological details. A few case studies are being summarized here. Chamba Block The Chamba block is a part of Tehri district of Garhwal Himalayas. The geographical co-ordinates of the area are 30° 16’ N to 30°26’ N latitudes and 78° 1 1' E to 78°30’ E longitude. The soil mapping was carried out using visual interpretation technique at 1:50,000 scale. A total of 11 soil series associations were observed in this area. The dominant soils are loamy skeletal/Fragmental Typic Udorthents, Fine Loamy Typic Eutrochrepts and Fine loamy Mollic/Typic Hapludalfs (Table 3). Jainty Watershed The Jainti watershed is a part of Chhotanagpur Plateau in Bihar which lies between the latitudes 24°5’ N and 24°15’ N, longitude 86°25’ E and 86°50’ E. The soil mapping was carried out through digital image processing at 1:50,000 scale. Five dominant physio graphic unit viz. Crest, upper pediment, lower pediment, valley fills and isolated hills are observed in the area. Detailed physiographic units and soils there in, are presented in Table 4. Soils are Coarse loamy/loamy skeletal Typic ustorthents, Coarse loamy Typic Haplustalfs, Fine loamy Typic Paleustalfs, Fine loamy Typic Pinthustalfs, and Coarse loamy Aerie Haplaquepts situated in the crest, upper pediments, lower pediments, toeslopes, and valley fills respectively.

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