current use of computer software for modernisation and improvement of irrigation system management in

vietnam(Presentation at SCA Joint Project Workshop - Hanoi, 11 May 2005)

Reporter: Dr. Nguyen Viet Chien

Center for Water Resources Software (CWRS) - Vietnam Institute for Water Resources Research (VIWRR)

Content of the prentationContent of the prentationRationale

Brieft description of software for the irrigation system operation (HDH)

Brieft description of the Irrigation System Monitoring Software (ISMS).

Brieft description of Software Database with GIS for irrigation infrastructure management

Demonstration of Software.

Conclusion

RationaleRationaleIrrigation systems play vital role for sustainable agricultural development in Vietnam, but big problem of which is rather low efficiency of water use.Poor and low efficient management of the irrigation systems is identified as a main reason of the low efficiency of water use at the irrigation systems.– Lack of reliable monitoring networkin each

irrigation system– Lack of effective tool and equipment for

improved irrigation management.– Insufficience of updated policy and

organisational arrangement.– Low labor productivity.

Improvement of efficiency of water use at the irrigation system is a key measure for modernisation and industralisation of the country.

Measures for improvement of the Measures for improvement of the irrigation system efficiencyirrigation system efficiency

Improvement of physical facilities, of which more emphasise on improvement of monitoring network facilities.Development and application of suitable policies and institutional arrangement.Development and application effective tool for better irrigation system management.– Software for the irrigation system operation

(HDH)– Irrigation System Monitoring Software and

SCADA technology– Database interfaced with GIS for better

management of irrigation infrastructure and irrigated areas.

S¬ ®å k Õt nè i t õ t r ung t ©m ®iÒu k hiÓn ®Õn c ¸ c t r ¹ m Schematic

principle of development and application of effective tool for better management of the irrigation systems.

I. I. software of the Irrigation system software of the Irrigation system operation (Hoperation (H§§H)H)

Main window of Software of the Nam Song Ma Irr. System (Thanh Hoa Province).

Main Main fuctionsfuctions of the irrigation system of the irrigation system operation softwareoperation software

Forecast irrigation requirement at secondary offtakes along the main canal. This is for improvement of irrigation schedule.Real-time irrigation requirement computation. This is for real time operation of the irrigation system.Evaluation of irrigation system performance.

Main coponents of the irrigation system operation software

Window for Window for rainfalrainfal inputinput

Window for Window for MeteoMeteo data inputdata input

Window for cropping Window for cropping paternpatern inputinput

Window for input of crop planting Window for input of crop planting

Output of the software (HOutput of the software (H§§H)H)

Computation Crop RefferenceEvapotranspiration Eto using Penman-Monteith (mm/day)Coputation of irrigation requirement at secondary offtakes and key points along the main canal. This helps manager to operate structure matching farm demand.Advice of how many pumps and how many hours needed to run matching irrigation demand.Computation of electricity used (kwh)Comparision actual water use (by monitoring network) and water demand computed by the model. This is to advise the manager where in the system overuse or underuse of water.

Window of output Window of output EEtoto

Window of irrigation requirement outputWindow of irrigation requirement output

Window of output for pumping station operationWindow of output for pumping station operation

Output window of irrigation demand at secondary Output window of irrigation demand at secondary offtakesofftakes

Ii. Irrigation system monitoring software Ii. Irrigation system monitoring software and application of SCADAand application of SCADA

Main Main fuctionsfuctions of the ISMSof the ISMS1. Supervision to irrigation manager of current status

of irrigation distribution network for dicisionmaking improvement.

2. Store of data for futher evaluation of irrigation system performance.

Software use requirementSoftware use requirement1. Availability of reliable monitoring network in the irrigation

system. – If manual monitoring network is available the software

can be used by keyboard input of data provided by telephone, fax or others.

– If automatic monitoring network is available the software can be used as effective tool at office to communicate and receive data transmitted from the field.

2. Availability of PC and personnel with basic computer understanding

Display of data automatic collected from the Display of data automatic collected from the field at Dong Cam irrigation system (field at Dong Cam irrigation system (PhuPhu

Yen)Yen)

Window for input data by Window for input data by keyboadkeyboad in lien son in lien son irrigation system (irrigation system (vinhvinh phucphuc))

Remote Terminal Unit (RTU) in SCADA system, which assembled by Vietnamese Scientists and installed at Cong LanSluice L©n(Th¸i B×nhProvince) and other systems

Iii. Database interfaced with GIS for better Iii. Database interfaced with GIS for better management of irrigation infrastructure and management of irrigation infrastructure and

irrigated areasirrigated areas

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Water bodiesSubsidiary cropsSpecialized landResidentials2 subsidiary crops + 1 rice2 rice + 1 subsidiary crops Irrigation cross regulator

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Irrigation pumping stationDykeDrainage canalIrrigation canal

Map of Lien Son Irrigation System (Vinh Phuc)

Map of Dong Cam Irrigation System (Map of Dong Cam Irrigation System (PhuPhu Yen)Yen)

Map of Map of BacBac Song Ma Irrigation System (Song Ma Irrigation System (ThanhThanh HoaHoa) )

Conclusion Conclusion

For last 10 years computer has been used increasingly for irrigation and drainage systems management. This is because computer, in general and computer software, in particular have been recognized as key measure for improvement of water use at irrigation and drainage systems.Besides commercial software made by international authors, Vietnamese scientists have developed some softwares which are useful tool for irrigation and drainage system management. Use of Vietnamese made software shows several advantages: simple and easy to understand and use because of Vietnamese language interface, more adaptable to Vietnamese conditions because the software is made based on experience and practice of Vietnamese.Computers, software or SCADA systems are useful tool but to make best use of them for improving water use efficiency it is important to have well trained staff at Irrigation and Drainage Companies (IDC)

KiÕnKiÕn nghÞnghÞ1. H§H míi gi¶i quyÕt bµi to¸n vÒ ®iÒu hµnh t-íi, cÇn tiÕp

tôc hoµn thiÖn phÇn mÒm nµy vµ cã kÕ ho¹ch ph¸ttriÓn x©y dùng H§H cho hÖ thèng tiªu n-íc.

2. C«ng nghÖ SCADA cÇn tiÕp tôc nghiªn cøu hoµn thiÖnc«ng nghÖ vµ më réng diÖn phôc vô, trong ®ã cÇnnghiªn cøu ®iÒu khiÓn tèi -u ho¸ vËn hµnh b¬m trong®iÒu kiÖn mùc n-íc thay ®æi.

3. øng dông CNTT vµ c«ng nghÖ tiªn tiÕn kh¸c trong qu¶nlý lµ rÊt cÇn thiÕt, nh-ng ®iÒu quan trong h¬n lµ ph¶i cãcon ng-êi t©m huyÕt, muèn øng dông vµ biÕt øng dôngc¸c c«ng nghÖ ®ã vµo c«ng viÖc qu¶n lý hµng ngµy cñaC«ng ty. Do ®ã viÖc x©y dùng c¸c chÝnh s¸ch vµ cã kÕho¹ch khuyÕn khÝch ®µo t¹o vµ øng dông c«ng nghÖmíi lµ hÕt søc cÇn thiÕt.

XinXin chânchân ththàànhnh ccáámmơnơn