ALTERNATIVE CROP PLANS FOR MULA COMMAND AREA USING REMOTE SENSING AND GIS TECHNIQUES
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Date
2001
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Mahatma Phule Krishi Vidyapeeth, Rahuri.
Abstract
Water management in India, both in its conservation and control
aspects, has significantly benefited from the input of Remote
Sensing Satellites. Remote Sensing and GIS have become effective
tools for number of applications related to water resources and
their management particularly in the areas of water resources
assessment, groundwater targeting, flood management, reservoir
capacity survey, assessment and monitoring of environmental
impact of water resources, project and water quality mapping, etc.
The command area of the medium and major irrigation projects
normally range from 2000 ha to 100000 ha respectively in the
country. The soils in the command area are heterogeneous and
several crops are grown and irrigated on these soils. The
groundwater potential also often varies. The crops are grown often
during two seasons and some times in three seasons. The water is
distributed with the help of network of canal of varying capacities.
This makes management of land and water resources in the
command area complex. Remote Sensing (RS) and GIS techniques
have the capabilities to consider these complex issues enchanted in
the management of command area. Keeping in mind the potentials of RS and GIS for agricultural water
management, the study with the objectives, to generate land
use/land cover map of the Mula Command Area, to delineate the
canal network of Mula Command Area, to generate soil and
geomorphological maps, to integrate the various maps for the
generation of alternative crop plans using SWAB simulation model
was undertaken.
The study area chosen for this purpose was Mula Irrigation Project
which is situated at Baragaon Nandur in Rahuri Taluka of
Ahmednagar District (MS). The facilities & expertise of Remote
Sensing and GIS were made available from RRSSC, Nagpur. The
satellite data was obtained RRSSC, Nagpur. The satellite data of
IRS-1C/1D satellite, LISS3 for the months of Oct. 97, Jan. 98 and
Mar.. 98, of path 96 and row 59 were used for generating various
thematic/derived maps and action plans. The Survey of India (SOI)
toposheets: 47 1/11,14,15,16 and 47M/2,3 were used for base map
preparation. Soil map was obtained from NBSS & LUP, Nagpur.
Necessary index maps and canal water release data of 1997-98
were obtained from CADA, Ahmednagar and its Divisional offices.
The climatalogical data was obtained from the observatory of B
Block of Directors of farms, MPKV Rahuri. In addition, other
required information was collected from various Government
Departments and from the literature.
The base maps such as command area boundary map, canal
network in command area map and unitwise command area map
were generated by using the SOI toposheets with the help of
different collateral maps. The thematic maps such as Land
use/land cover, soil and hydrogeomorphology maps were prepared
by loading the satellite data, rectifying the data, adding some extra
channels, and visually interpreting the images. The collateral
information in the form of data or maps was also used. The individual statistics of command unit map, land use/land
cover map, soil map, hydrogeomorphology map have been
generated. The integration of different maps has been carried out
for generating the statistics required to run the developed model.
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