Full text: Application of remote sensing and GIS for sustainable development

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• GEOMORSIS (Geo morphometric analysis): 
Selection of watershed, Automated drainage ordering 
using Strahler and Schreeve method, drainage 
morphometric analysis and watershed characterisation 
can be performed using this module. 
• VARUN (Value Added Rainfall Runoff 
Analysis): is used for Hydrograph analysis and 
Hydrologic design of water structures which is essential 
for development of Water resources as well as for 
mitigating the adverse effects of floods. This module 
performs computation of Direct Runoff depth, Peak 
runoff rate and excess rainfall hyetograph. 
• SARITA (Scheduling and Water Requirement 
for Irrigation Project Planning): This package 
computes potential evopotranspiration using 
Hargreave’s method and modified Penmann method. 
SAMRIDHI 
The L.R.D.P. (Land Resources Development Plan) 
map generation program (SAMRIDHI) is conceptually 
based on the generation of the plan based on the KBF 
(Knowledge Based Files) info files which are generated 
by the experts. The program facilitates for generation of 
the KBF by the expert through a user interface menu 
where the expert will have all the required information 
to generate the save. User can generate the Composite 
Land Development Unit (CLDU) not only with the 
polygon coverage but also with the line and point 
coverage. After generating the CLDU the LRDP can be 
generated using the KBF. User can further refine/update 
the LRDP with locale specific action plan and save them 
as an NRIS standard LRDP layer. 
4.1.4 Output Generation Module 
This module facilitates the user to generate a hard 
copy output of the map in different sizes with back 
ground of satellite data with various annotation facilities. 
4.1.5 Lab to Land 
All the modules are developed and integrated based 
on user needs ranging from the planners at the state and 
district level officers, NGO’s involved in plan 
implementation at field level for the scientific execution 
of action plan. The package is fully tested and 
operationalised with user friendly interface. The package 
is presently installed for use at six district nodes in the 
states of Maharashtra, Gujarat, Andhra Pradesh, 
Karnataka and Orissa. 
5.0 CASE STUDY 
Uma_Gani Watershed comprising of 17000 ha has 
been prioritized and selected based on its socio 
economic backwardness and resources potentials for 
detailed analysis and action plan generation. 
The water resources development plan clearly 
depicts the zones of exploitation, development and 
conservation. The exploitation of prospective ground 
water zones has been suggested through tube wells, 
shallow tube wells and dug-wells based on the 
geological strata and requirements. Rain water 
harvesting structure are suggested to reduce the large 
scale sudden run off generated in Talchir shale area and 
to recharge the valley fill areas. The structures suggested 
are stream bunding and farm ponds. The optimal 
utilisation of the ground water and subsequent 
monitoring, exploratory tubewells / borewells are also 
suggested. Desilting of existing reservoirs and tanks are 
also given priority. 
The land resources development plan depicts 
alternative land use practices through double cropping, 
horticulture, agro-horticulture, agro-forestry, afforest 
ation, fuel and fodder plantation and silvi pasture along 
with appropriate soil conservation measures like, nalla 
straightening, farm bunding, terracing and Khus 
plantations. 
The suggested water and land resources develop 
ment plans are expected to result in the transformation of 
the existing land use practices into sustainable ones that 
will meet the needs of the present population and future 
generation without endangering the environment. 
In the study area the cropping intensity, ground- 
water level, average yields of crops, horticulture 
plantation and economic returns to the farmer are 
considered as indicators of development. The data is 
collected from remote sensing inputs and field validation 
of different farmers. 
An awareness programme of all the stake holders 
(officers involved in plan preparation / implementation 
and monitoring Non-Government organizations, women 
organizations, gram sevaks and farmers) involved in the 
project has been carried out through village level 
meetings and the block level interactions. The watershed 
is being monitored using satellite data for change 
detection in terms of Land use/Land cover and field 
studies to established the increase in the yield of crops, 
status of ground water and reduction of run-off. 
So far, an amount of $0.2 million has been spent 
for the implementation in selected villages, on priority
	        
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