Your search found 11 records
1 Nayakakorala, H. B.; Hemakumara, H. M.. 1991. Effect of length of land preparation period on water use, weed growth and grain yield of lowland broadcast rice. Agricultural Engineering, 3(1):7-12.
(Location: IWMI-HQ Call no: IIMI 631.7.2 G744 NAY Record No: H013009)
(0.37 MB)
2 Renault, D.; Imbulana, K. A. U. S.; Hemakumara, H. M.. (Eds.) 1996. Information techniques for irrigation systems - Proceedings of the Third International Network Meeting on Information Techniques for Irrigation Systems held in Alor Setar, Malaysia, 15-17 June 1996 - Theme: Scheduling of water deliveries in irrigation systems. Unpublished workshop proceedings, IIMI, Muda Agricultural Development Authority; Department of Irrigation and Drainage, Malaysia; CEMAGREF. 97p.
Irrigation systems ; Irrigation scheduling ; Information systems ; Water delivery ; Irrigation management / Malaysia / Sri Lanka / Thailand / India / Egypt / Morocco / Pakistan / Kerian Scheme / Gal Oya Project / Mahaweli Project / Meklong Project / Khadakwasala Irrigation Scheme / Nile / Haouz region / Indus Basin
(Location: IWMI-HQ Call no: IIMI 631.7.1 G000 REN Record No: H020061)
(4.58 MB)
3 Renault, D.; Hemakumara, H. M.. 1999. Irrigation offtake sensitivity. Journal of Irrigation and Drainage Engineering, 125(3):131-136; 27p.
Irrigation systems ; Irrigation canals ; Water delivery ; Water conveyance ; Conveyance efficiency ; Sensitivity analysis / Sri Lanka
(Location: IWMI-HQ Call no: IIMI 631.7.1 G000 REN, PER Record No: H020512)
(0.63 MB)
4 Renault, D.; Hemakumara, H. M.. 1997. Offtakes sensitivity in irrigation canal operation. In Renault, D. (Ed.). Modern techniques for manual operation of irrigation canals. Proceedings of the Fourth International ITIS [Information Techniques for Irrigation Systems] Network Meeting, Marrakech, Morocco, 25-27 April 1997. pp.74-84.
Irrigation operation ; Irrigation canals ; Canal regulation techniques ; Sensitivity analysis ; Hydraulics / Sri Lanka
(Location: IWMI HQ Call no: IIMI 631.7.1 G000 REN Record No: H021924)
(0.59 MB)
5 Renault, D.; Hemakumara, H. M.. 1997. La sensibilite des ouvrages de prises dans la gestion des canaux d'irrigation. In French. [Offtakes sensitivity in irrigation canal operation]. In Renault, D. (Ed.). Modern techniques for manual operation of irrigation canals. Proceedings of the Fourth International ITIS [Information Techniques for Irrigation Systems] Network Meeting, Marrakech, Morocco, 25-27 April 1997. pp.85-87.
(Location: IWMI HQ Call no: IIMI 631.7.1 G000 REN Record No: H021925)
(0.14 MB)
6 Renault, D.; Hemakumara, H. M.. 1997. Mobilization of resources, sensitivity and vulnerability in canal operation: diagnosis and preliminary analysis. In Renault, D. (Ed.). Modern techniques for manual operation of irrigation canals. Proceedings of the Fourth International ITIS [Information Techniques for Irrigation Systems] Network Meeting, Marrakech, Morocco, 25-27 April 1997. pp.106-116.
Irrigation canals ; Irrigation operation ; Canal regulation techniques ; Sensitivity analysis ; Water delivery ; Water conveyance / Sri Lanka / Kirindi Oya / Old Ellegala Sub-System
(Location: IWMI HQ Call no: IIMI 631.7.1 G000 REN Record No: H021928)
(0.86 MB)
7 Renault, D.; Hemakumara, H. M.. 1997. Mobilisation des ressources, sensibilite et vulnerabilite dans la gestion des canaux: diagnostic & analyse preliminaire. In French. [Mobilization of resources, sensitivity and vulnerability in canal operation: diagnosis and preliminary analysis]. In Renault, D. (Ed.). Modern techniques for manual operation of irrigation canals. Proceedings of the Fourth International ITIS [Information Techniques for Irrigation Systems] Network Meeting, Marrakech, Morocco, 25-27 April 1997. pp.117-121.
Irrigation canals ; Irrigation operation ; Canal regulation techniques ; Sensitivity analysis ; Water delivery ; Water conveyance / Sri Lanka / Kirindi Oya / Old Ellegala Sub-System
(Location: IWMI HQ Call no: IIMI 631.7.1 G000 REN Record No: H021929)
(0.26 MB)
8 Renault, D.; Hemakumara, H. M.. 1997. GIS for irrigation schemes management: Sri Lankan experience. ITIS (Information Techniques for Irrigation Systems), 4(1):25-28.
Irrigation management ; GIS ; Tank irrigation ; Irrigation canals ; Reservoir storage ; Irrigation programs ; Water management ; Drainage ; Recycling / Sri Lanka / Kirindi Oya
(Location: IWMI HQ Call no: PER Record No: H021972)
(0.36 MB)
9 Godaliyadda, G. G. A.; Renault, D.; Hemakumara, H. M.; Makin, I. W. 1999. Strategies to improve manual operation of irrigation systems in Sri Lanka. Irrigation and Drainage Systems, 13(1):33-54.
Irrigation operation ; Performance evaluation ; Irrigation canals ; Canal regulation techniques ; Simulation / Sri Lanka / Kirindi Oya
(Location: IWMI-HQ Call no: IIMI 631.7.1 G744 GOD, PER Record No: H022633)
(1.33 MB)
As unpublished report, 1998. 23p.
10 Hemakumara, H. M.; Chandrapala, L.; Moene, A. F. 2003. Evapotranspiration fluxes over mixed vegetation areas measured from large aperture scintillometer. Agricultural Water Management, 58(2):109-122.
Evapotranspiration ; Estimation ; River basins ; Evaporation ; Remote sensing ; Satellite surveys / Sri Lanka
(Location: IWMI-HQ Call no: PER, IWMI 551.572 G744 HEM Record No: H031453)
11 Rey, J.; Hemakumara, H. M.. 1994. Decision support system (DSS) for water distribution management: theory and practice. Colombo, Sri Lanka: International Irrigation Management Institute (IIMI). vii, 44p. (IIMI Working Paper 031)
Decision support tools ; Irrigation canals ; Water delivery ; Water management ; Information systems ; Computer techniques ; Decision making ; Case studies / Sri Lanka / Kirindi Oya
(Location: IWMI HQ Call no: IIMI 631.7.1 G744 REY Record No: H015117)
The impact of information techniques in all economic activities has been tremendous during the past decade. However, the potential of the multiple management methods and technologies derived from this field has not been fully realized in the irrigation sector. One area of application of information techniques concern the design and installation of Decision Support Systems (DSS). This area, used for the particular activities relating to the management of water in irrigation schemes, constitutes the theoretical background of this paper
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