Optimising the dimensions of agrowells in hard-rock aquifers in Sri Lanka

Agricultural Water Management

Volumn 33, Issue 2-3, 1997, Pages 117-126

  De Silva, C S ^a   Weatherhead, E K ^b  

^a OPEN UNIVERSITY OF SRI LANKA   (Sri Lanka)

^b CRANFIELD UNIVERSITY   (United Kingdom)

Author keywords

Agrowells; Hard rock aquifers; Large diameter wells; Sri Lanka

Indexed keywords

AQUIFERS; GROUNDWATER; IRRIGATION; ROCK; WELLS;

AGRICULTURAL PRODUCTION; AGROWELL; AQUIFER; GROUNDWATER; GROUNDWATER FLOW; IRRIGATION MANAGEMENT; IRRIGATION SYSTEM; MODELLING APPROACH; SOIL WATER BALANCE; WATER MANAGEMENT; WELL; WELL IRRIGATION;

SRI LANKA, NORTH WESTERN PROVINCE;

EID: 0030857616     PISSN: 03783774     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0378-3774(96)01297-8     Document Type: Article

References (11)

1. Ball, D. and Herbert, R., 1992. The use and performance of collector wells within the regolith aquifer of Sri Lanka. Ground Water, 30(5): 683-689.
2. De Silva, C.S., 1995. The use of agrowells for supplementary irrigation from hard-rock aquifers in Sri Lanka. Ph.D. thesis, Silsoe College, Cranfield University, UK, 140 pp.
3. De Silva, C.S. and Rushton, K.R., 1997. Interpretation of the behaviour of agrowell systems in Sri Lanka using radial flow models. Hydrol. Sci. J., 42(1): 67-79.
4. Dharmasena, G.T., 1990. Planning of irrigation to optimise the effect of rainfall. In: E.R.N. Gunawardena (Editor), Irrigation and Water Resources. Bravi Press, Kandy, Sri Lanka, pp. 6-8.
5. Hess, T., 1996. IWR; an Irrigation Water Requirements Program; User Manual. Silsoe College, Cranfield University, UK.
6. Hess, T.M. and Grema, A.K., 1994. The impact of changing rainfall patterns on the efficiency of rainfall utilisation in pearl millet-cowpea intercropping systems in North-East Nigeria. Aspects Appl. Biol., 38: 231-238.
7. Knox, J.W., Weatherhead, E.K. and Bradley, R.I., 1996. Mapping the spatial distribution of volumetric water requirements for maincrop potatoes in England and Wales. Agric. Water Manage., 31: 1-15.
8. Premanath, K.L. and Liyanapatabendi, T., 1994. Groundwater depletion due to agrowells. Proc. 20th WEDC Conf. on Affordable Water Supply and Sanitation. Water, Engineering and Development Centre, University of Technology, Loughborough, UK, pp. 11-13.
9. Rathod, K.S. and Rushton, K.R., 1984. Numerical method of pumping test analysis using microcomputers. Ground Water, 22(5): 602-608.
10. Rushton, K.R. and Redshaw, S.C., 1979. Seepage and Groundwater Flow: Numerical Analysis by Analog and Digital Methods. Wiley, Chichester, 339 pp.
11. Sakthivadivel, R. and Rushton, K.R., 1989. Numerical analysis of large diameter wells with a seepage face. J. Hydrol., 107: 43-55.