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Statistical Change Detection in Water Cycle over Two Decades and Assessment of Impact of Urbanization on Surface and Sub-Surface Water Flows

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DOI: 10.4236/ojmh.2013.34020    4,468 Downloads   7,973 Views   Citations

ABSTRACT

Urbanization is termed as physical transformation of landscapes that alter the natural regime of the environment of its surrounding resulting in further changes in macro as well as micro climate of the region [1]. Urban areas are continually facing problems of water scarcity and urban flash floods. Recent news from IPCC report 2010, CIESINs Global Rural Urban Mapping Project [2] and World Water Vol. 7 2007, it is clear that urban land area has doubled and affected the hydrological cycle. The components of hydrological cycle affected are Infiltration, Runoff and Evaporation and the causing components are derived by studies as land use, land cover, water withdrawal and urban developments. Thus water availability, water recharge and water cycle are all destabilized in course or urban development. The paper is an attempt to correlate and identify the periodical changes in urban water cycle, during urbanization of Bhopal City, India, during last twenty years and above. The observations are based on GIS mapping of the study area from 1991 to 2009 using rational method of runoff and recharge calculations and statistical analysis of related built-up areas. Also change in natural course of drainages with the help of GIS imageries which have been detected during twenty years that help to observe the adaptation of natural system to urban course. Also the observations show an interesting relation which can be used for further research and sustainable development [3].

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

S. Sharma, A. Bharat and V. Mohan Das, "Statistical Change Detection in Water Cycle over Two Decades and Assessment of Impact of Urbanization on Surface and Sub-Surface Water Flows," Open Journal of Modern Hydrology, Vol. 3 No. 4, 2013, pp. 165-171. doi: 10.4236/ojmh.2013.34020.

References

[1] Roberto Sánchez-Rodríguez, 2005.
[2] GRUMP, 1997.
[3] Worldwater, 2007.
[4] Gleick, 2008-2009.
[5] SOI Toposheets Map on 1:50000 Scale, Sheet No. 55E/8.
[6] SOI Toposheets Map on 1:10,000.
[7] Remotely Sensed Data—3 February 1991 (Sheet No. 1158), 6 January 1994 (Sheet No. 2209), 24 January 1996 (Sheet No. 2974), 24 March 2001 (Sheet No. 1287), 3 May 2009, from MPCST, Bhopal.
[8] Geological Map 55-E (From GSI, Bhopal).
[9] Georesource Map of Bhopal District (From GSI Bhopal).
[10] Physiography Map (Topo Sheet 1975).
[11] Built up Area Ward Wise and Village Wise (Imageries).
[12] Premonsoon & Post Monsoon Water Level Data from CGWB. Water Quality Data (Optional).
[13] Rainfall Data, SWDC.
[14] District Census Handbook, Bhopal District.

  
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