Hydro Nepal: Journal of Water, Energy and Environment最新文献_第5页

Fish Diversity and their Limnological Status of River Yamuna at Kalpi, U.P., India 印度北方邦卡尔皮亚穆纳河鱼类多样性及其湖泊状况

Hydro Nepal: Journal of Water, Energy and Environment Pub Date : 2016-07-26 DOI: 10.3126/hn.v19i0.15355

M. Shukla, P. K. Khare, S. Chaurasia, R. Singh

引用次数: 2

Design of Water Distribution System: Appropriateness of Structured System in Large Irrigation Projects in Nepal 配水系统设计:尼泊尔大型灌溉工程采用结构化系统的适宜性

Hydro Nepal: Journal of Water, Energy and Environment Pub Date : 2016-07-26 DOI: 10.3126/HN.V19I0.15348

Basistha Raj Adhakari

{"title":"Design of Water Distribution System: Appropriateness of Structured System in Large Irrigation Projects in Nepal","authors":"Basistha Raj Adhakari","doi":"10.3126/HN.V19I0.15348","DOIUrl":"https://doi.org/10.3126/HN.V19I0.15348","url":null,"abstract":"Many large irrigation projects in Nepal operate under command area development works that emphasize on-farm water distribution and management. These projects have specific design characteristics that were planned to comply with available water resources, climatic conditions, soil type, and water distribution technology. The water distribution technologies differ based on the design needs of each individual project and the design preferences of various foreign consulting firms. This article focuses on the issues of planning and designing water distribution systems of large irrigation systems at the irrigation service delivery level. The layout planning of an irrigation system is an important aspect of design for water distribution, typically guided by hierarchical system. This article also highlights the existing canal hierarchy of these systems and their appropriateness for efficient water distribution. Furthermore, the appropriateness of the structured system is also examined in the Sunsari Morang Irrigation Project. The article concluded with some suggestions for planning and designing command area development works of forthcoming large irrigation projects such as the Sikta Irrigation Project, the Babai Irrigation Project, and the Mahakali Irrigation Project Stage-III. HYDRO Nepal Journal Journal of Water, Energy and Environment Issue: 19 Page: 25-30","PeriodicalId":117617,"journal":{"name":"Hydro Nepal: Journal of Water, Energy and Environment","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132046519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Nepal’s Water Resources: Blessing or Curse ? 尼泊尔水资源:是福还是祸?

Hydro Nepal: Journal of Water, Energy and Environment Pub Date : 2016-07-26 DOI: 10.3126/HN.V19I0.15342

R. Shrestha

{"title":"Nepal’s Water Resources: Blessing or Curse ?","authors":"R. Shrestha","doi":"10.3126/HN.V19I0.15342","DOIUrl":"https://doi.org/10.3126/HN.V19I0.15342","url":null,"abstract":"For half a century, Nepal has been chanting the ‘Mantra’ of 83,000 MW hydropower potential. When Nepal was in its childhood as a young democratic nation in the 1950s, India, with its vast ‘experience’ under the British colonial rule (colonial mindset), extracted lop-sided agreements on the Koshi, Gandaki and Mahakali rivers. Whereas India irrigates 12,200,000 acres of land, flood mitigates flood hazards and benefits from other intangible benefits. Nepal gets a meager 160,000 acres irrigation facility (1.3 percent of total irrigation benefits) from these unequivocal biased agreements. The adverse social and ecological impacts in Nepal are unaccounted for. Such water resource agreements have resulted in the sad present-day plight of Nepal: social life and industries are in total disarray with dismally low economic growth rates (GDP) forcing millions of Nepalese to seek employment abroad. Before it gets out of hand, India’s direct/indirect domination over Nepal’s water resources and politics should end, so that Nepal can develop its economy and hydropower in peace. Nepal should first develop run-of-river projects as per the modality of 456 MW Upper Tamakoshi Hydroelectric Project (cost 1000 US$/kWh) and medium size storage hydropower projects (140 MW Tanahu). Muddling with large storage projects like 1200 MW Budhi Gandaki HEP will only further delay the execution of RoR projects. NEA’s technical capability should be improved to build and oversee hydropower projects and INPS. HYDRO Nepal Journal Journal of Water, Energy and Environment Issue: 19 Page: 11- 15","PeriodicalId":117617,"journal":{"name":"Hydro Nepal: Journal of Water, Energy and Environment","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131555915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

An Interview with Mr. Mukesh Raj Kafle 对Mukesh Raj Kafle先生的采访

Hydro Nepal: Journal of Water, Energy and Environment Pub Date : 2016-07-26 DOI: 10.3126/HN.V19I0.15356

M. Kafle

引用次数: 0

Expansion Planning of Electricity Generating System Using the VALORAGUA and WASP-IV Models in Nepal 尼泊尔使用VALORAGUA和WASP-IV模型的发电系统扩建规划

Hydro Nepal: Journal of Water, Energy and Environment Pub Date : 2016-07-26 DOI: 10.3126/HN.V19I0.15352

Jayandra Shrestha, N. Shrestha

{"title":"Expansion Planning of Electricity Generating System Using the VALORAGUA and WASP-IV Models in Nepal","authors":"Jayandra Shrestha, N. Shrestha","doi":"10.3126/HN.V19I0.15352","DOIUrl":"https://doi.org/10.3126/HN.V19I0.15352","url":null,"abstract":"This paper presents a framework for a possible expansion plan of Nepal’s electricity generation system using VALORAGUA and Wien Automatic System Planning (WASP-IV) models as examples. Given that Nepal seeks to add several hydropower plants to the Integrated National Power System (INPS) in the next few years, this type of planning is crucial. To explore potential expansion plans, the 48 hydropower plants (20 of which are currently operating) within 18 hydro networks and two diesel plants are included, and different options such as the possibility of export, seasonal variations in hydrology, and projected growth rates in gross domestic product are considered. The results illustrate the long run marginal cost (LRMC) and loss of load probability (LoLP) through 2030 in Nepal. It is found that LRMC is 3.50 Nepali Rupees per kilowatt hour at 4.1% of average LoLP. While scrutinizing the results, it is found that LoLP is higher in early stage of projections due to generation capacity limitations from 2014 to 2016. However, by the end of 2017, the LRMC and LoLP begin to decrease significantly. On this premise, the model suggests to introduce large storage plants for hydropower generation and export of that excess energy. Furthermore, a proper implementation of proposed peaking and storage plants to meet rising demand can offset the need to obtain electricity through more expensive and less environmentally-friendly means such as thermal/diesel plants. HYDRO Nepal Journal Journal of Water, Energy and Environment Issue: 19 Page: 45-51","PeriodicalId":117617,"journal":{"name":"Hydro Nepal: Journal of Water, Energy and Environment","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123744319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Too Many Fancy Bottles! In Nepal's New Power Sector Institutions Electricity Development Decade 2072 太多漂亮的瓶子了!尼泊尔新电力部门机构电力发展十年2072

Hydro Nepal: Journal of Water, Energy and Environment Pub Date : 2016-07-26 DOI: 10.3126/HN.V19I0.15341

S. Pun

{"title":"Too Many Fancy Bottles! In Nepal's New Power Sector Institutions Electricity Development Decade 2072","authors":"S. Pun","doi":"10.3126/HN.V19I0.15341","DOIUrl":"https://doi.org/10.3126/HN.V19I0.15341","url":null,"abstract":"Seven years after Prime Minister Dr. BR Bhattarai’s 38 Point programs to Mitigate National Electricity Crisis, the Energy Ministry of Prime Minister KP Sharma (Oli) recently unveiled another program to Eradicate National Electricity Crisis along with a concept paper and work plan on Electricity Development Decade 2072. This article will focus only with the Energy Ministry’s institutional arrangements. The Energy Ministry appears to have come to the grand conclusion that the present state of Bungled power crisis is all due to the Bundled NEA. Hence, the Ministry’s prescription has been to unbundle NEA down to its bare skeleton! There is not a word on the Department of Electricity Development or the Nepal Investment Board – both high caste thread-bearing organizations! It is hoped that a thorough Implementation Completion Report (ICR) will be conducted on three decades of bungled/bundled power sector in Nepal by the World Bank, now that the prodigal son has returned after the 1995 Arun III debacle. Without the findings of that ICR/PCR, the multilaterals should refrain from the itch to unload their one billion US$ excess baggage on Nepal’s power sector. HYDRO Nepal Journal Journal of Water, Energy and Environment Issue: 19 Page: 6-10","PeriodicalId":117617,"journal":{"name":"Hydro Nepal: Journal of Water, Energy and Environment","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128168075","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Exploitable Potential, Theoretical Potential, Technical Potential, Storage Potential and Impediments to Development of the Potential: The Nepalese Perspective 开发潜力、理论潜力、技术潜力、储存潜力和开发潜力的障碍:尼泊尔的观点

Hydro Nepal: Journal of Water, Energy and Environment Pub Date : 2016-07-26 DOI: 10.3126/HN.V19I0.15340

H. Shrestha

{"title":"Exploitable Potential, Theoretical Potential, Technical Potential, Storage Potential and Impediments to Development of the Potential: The Nepalese Perspective","authors":"H. Shrestha","doi":"10.3126/HN.V19I0.15340","DOIUrl":"https://doi.org/10.3126/HN.V19I0.15340","url":null,"abstract":"Exploitable potential is an ultimate derivable of theoretical potential, technical potential and/or storage potential. A number of hurdles come across when a potential site has to be exploited, thus, all theoretically and/or technically available potential cannot actually be developed/ exploited. Nepal is not an exception in this respect. Exploitation of run-of-river schemes has much less hurdle in comparison with storage development. The storage development, particularly the larger scale development, has even international implications, because the benefits of such development spread far beyond the national boundary. In the Nepalese case the downstream country, particularly India, is reluctant to recognize the downstream flow regulation benefits arising from flood-control and dry season flow augmentation. As such the current focus of exploitation of Nepalese hydro-potential should be on run-of-river type development and smaller size storage developments which can easily be materialized without much hurdle, but in a coordinated and well scheduled manner in a way not to hamper the larger storage development at the opportune future dates. HYDRO Nepal Journal Journal of Water, Energy and Environment Issue: 19 Page:1-5","PeriodicalId":117617,"journal":{"name":"Hydro Nepal: Journal of Water, Energy and Environment","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130178781","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 14

Elusive Springs and Hard Questions 难以捉摸的春天和难题

Hydro Nepal: Journal of Water, Energy and Environment Pub Date : 2016-07-26 DOI: 10.3126/HN.V19I0.15344

Christopher Butler

引用次数: 0

Diversity of Phytoplankton Communities in a Tropical River Basin, Nigeria 尼日利亚热带河流流域浮游植物群落多样性

Hydro Nepal: Journal of Water, Energy and Environment Pub Date : 2016-07-26 DOI: 10.3126/hn.v19i0.15353

Adelakun Kehinde Moruff, M. M. Mu’azu, Amali Rosemary Patric, Omotayo Olabode Lawrence

{"title":"Diversity of Phytoplankton Communities in a Tropical River Basin, Nigeria","authors":"Adelakun Kehinde Moruff, M. M. Mu’azu, Amali Rosemary Patric, Omotayo Olabode Lawrence","doi":"10.3126/hn.v19i0.15353","DOIUrl":"https://doi.org/10.3126/hn.v19i0.15353","url":null,"abstract":"Biological assessment is a useful alternative for understanding the ecological quality of aquatic ecosystems because biological communities integrate the environmental effects of water. This work investigates the diversity and abundance of phytoplankton in the Upper Jebba Basin of the Niger River in Nigeria. We sampled phytoplanktons by dragging plankton nets at three stations from March to May 2015 for qualitative and quantitative samples. Qualitative plankton samples were collected by towing 55μm mesh hydrobios plankton nets just below the water surface for five minutes at each sampling station. Quantitative samples, on the other hand, were collected by filtering 100 litres of water fetched with a bucket through a 55μm mesh hydrobios net. Both samples were preserved separately in a 4% buffered formalin solution. A total of 3160 cells/ml of phytoplanktons from taxa were identified in the study. High dominance of Oscillatoria sp., Microcystis sp., Chlorella sp., Pediastrum sp. and Synendra indicate that this lake has high amount of organic waste, polluted predominantly by upstream concerns (i.e., mining, agricultural, and domestic) and should be monitored strictly by relevant agencies in order to additional reduced health hazards caused by these pollutants. HYDRO Nepal Journal Journal of Water, Energy and Environment Issue: 19 Page: 52-56","PeriodicalId":117617,"journal":{"name":"Hydro Nepal: Journal of Water, Energy and Environment","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125034158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Turnkey Contract - A Management Challenge under Himalayan Geological Condition 交钥匙合同——喜马拉雅地质条件下的管理挑战

Hydro Nepal: Journal of Water, Energy and Environment Pub Date : 2016-07-26 DOI: 10.3126/HN.V19I0.15346

K. K. Panthi

{"title":"Turnkey Contract - A Management Challenge under Himalayan Geological Condition","authors":"K. K. Panthi","doi":"10.3126/HN.V19I0.15346","DOIUrl":"https://doi.org/10.3126/HN.V19I0.15346","url":null,"abstract":"Himalayan geology poses special attention and tunneling challenges, which are associated to the engineering geological conditions in the rock mass. Completing tunneling project within scheduled contractual time is an issue to be carefully brainstormed and planned by a very competent project management team. This team work is especially a key demand for the projects built under turnkey contract having fixed performance guarantees, completion milestones and contract sum. This is because, delay in construction completion will bring huge contractual penalties and extra cost to the contractor and is, therefore, a management headache to the project team. Hydropower projects consisting long underground waterways system passing through varying geological ground conditions may hinder achieving targeted milestones due to uncertainty associated to the geological risks. This paper present Khimti I Hydropower Project (60 MW) that has 10 km long underground waterway system, one km long access tunnel, many construction Adits and an underground powerhouse. The project was constructed under a turnkey contract called KC2 contracts with main civil contractor responsible for both design and construction implementation of the project. The construction quality was guaranteed through several contractual performance tests listed under the KC2 contract. This article attempts to review on the way the geological ground condition has influenced in the completion milestone of the project and highlights on what are the key issues that must be carefully accessed before accepting a turnkey contract for hydropower project with long underground waterway systems. HYDRO Nepal Journal Journal of Water, Energy and Environment Issue: 19 Page: 17-24","PeriodicalId":117617,"journal":{"name":"Hydro Nepal: Journal of Water, Energy and Environment","volume":"162 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122616229","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1