NDLI: Characterizing Groundwater Dynamics Based on Impact of Pulp and Paper Mill Effluent Irrigation and Climate Variability

Content Provider	Springer Nature Link
Author	Khan, Shahbaz Asghar, Muhammad Nadeem Rana, Tariq
Copyright Year	2007
Abstract	Change in groundwater dynamics (in terms of changes in depth to watertable and its salinity) is a key environmental concern for agricultural production using pulp and paper mill effluent for irrigation purposes. At the study site, the treated effluent is delivered from the mill into a winter storage dam. This storage dam is also meant to provide an opportunity for runoff collection and recycling for irrigated areas. A natural creek also exists along the farm boundary. This paper presents, using field observation data and computer simulation results, the impact of using treated effluent from the pulp and paper mill on groundwater dynamics at the farm (covering areas both under and outside the effluent irrigation paddocks); and on the flows in the adjacent creek. The modeling results show that after 5 years of operations, the change in aquifer storage is more under average climatic conditions (−23.5 mm/year) as compared to −7.1 and −9.0 mm/year under dry and wet climatic conditions, .respectively. Under average climatic conditions, the combined effect of irrigation and rainfall creates more hydraulic gradient towards the creek thereby depleting the aquifer storage more as compared to wet and dry climatic conditions. Resultantly, the subsurface groundwater flows towards the creek becomes around 57.9 mm/year under average scenario as compared to 55.0 and 36.7 mm/year under wet and dry climatic conditions, respectively. During the average climatic condition, 456.6 mm evaporation from shallow groundwater was estimated under the current management practices; which was reduced to 399.1 mm under the best management practices due to better use of all sources of water and capillary upflow from shallow groundwater. Thus, with the adoption of best management practices, there would be less risk of salinisation due to evaporation from shallow groundwater tables.
Starting Page	131
Ending Page	148
Page Count	18
File Format	PDF
ISSN	00496979
Journal	Water, Air, and Soil Pollution
Volume Number	185
Issue Number	1-4
e-ISSN	15732932
Language	English
Publisher	Springer Netherlands
Publisher Date	2007-06-05
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Pulp and paper mill Effluent reuse Groundwater dynamics Climate variability Australia Hydrogeology Terrestrial Pollution Waste Water Technology Water Pollution Control Water Management Aquatic Pollution Atmospheric Protection/Air Quality Control/Air Pollution Environment
Content Type	Text
Resource Type	Article
Subject	Ecological Modeling Environmental Chemistry Pollution Environmental Engineering Water Science and Technology

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
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