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Artykuły w czasopismach na temat „River system”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Li, Xiaoning, Chuanhai Wang, Gang Chen, Xing Fang, Pingnan Zhang, and Wenjuan Hua. "Distributed-Framework Basin Modeling System: Ⅲ. Hydraulic Modeling System." Water 13, no. 5 (2021): 649. http://dx.doi.org/10.3390/w13050649.

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A distributed-framework basin modeling system (DFBMS) was developed to simulate the runoff generation and movement on a basin scale. This study is part of a series of papers on DFBMS that focuses on the hydraulic calculation methods in runoff concentration on underlying surfaces and flow movement in river networks and lakes. This paper introduces the distributed-framework river modeling system (DF-RMS) that is a professional modeling system for hydraulic modeling. The DF-RMS contains different hydrological feature units (HFUs) to simulate the runoff movement through a system of rivers, storage

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Jones, Les, and Doug Mills. "TAMESIS: a geographic information system." ITNOW 30, no. 4 (1988): 14–17. https://doi.org/10.1093/combul/30.4.14.

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Abstract TAMESIS, (Thames Asset Management and Enrironmental Support Information System), is the acronym recently adopted for Thames Water’s bespoke development of IBM’s Geo-Facilities Information System. The Rivers Division of Thames was given priority for system development and is now poised to reap the benefits of this major investment. Rivers Division, which will shortly form the core of the regional unit of the proposed National Rivers Authority, is responsible for the management of 4,000 km of river in a catchment of some 13,000 sq km. Its major functions are flood alleviation/land drain

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Anagnostoudi, Th, S. Papadopoulou, D. Ktenas, et al. "THE OLVIOS, RETHIS AND INACHOS DRAINAGE SYSTEM EVOLUTION AND HUMAN ACTIVITIES INFLUNCE OF THEIR FUTURE EVOLUTION." Bulletin of the Geological Society of Greece 43, no. 2 (2017): 548. http://dx.doi.org/10.12681/bgsg.11217.

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Olvios, Rethis and Inachos Rivers are multistory drainage systems that occur in Northern Peloponnesus, and at the present day they have and a reversed, North to South, flow element. Dervenios, Skoupeikos and Fonissa Rivers are the misfit streams of Olvios and revealed as juvenile streams and discharge to the Corinth gulf. Agiorgitikos River is the misfit stream of Rethis River and Seliandros River is the juvenile stream. Asopos, Nemeas and Rachiani Rives are the misfit streams of Inachos River and they also discharge to the Corinth gulf. Asopos River characterized as re-established stream. Phy

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Sabam, Parjuangan, Ali Rionaldi, and Purnama Ari. "Real-time monitoring and warning system in urban rivers." TELKOMNIKA Telecommunication, Computing, Electronics and Control 17, no. 3 (2019): 1521–25. https://doi.org/10.12928/TELKOMNIKA.v17i3.10397.

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Urban rivers water quality is not suitable for use. The volume of river water in the city is fast full when it rains. Both of these problems need to be monitored. The purpose of monitored to give a warning to a community around the rivers. The rivers water quality determined base on the pH sensor, and turbidity sensor detection. The river water level is determined based on the results of ultrasonic sensor readings. The reading of three sensors is sent via GSM (General Service Mobile) communication network in SMS (Short Message Service) form. The reading also sent via internet data communicatio

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Ji, Xiaomin, Youpeng Xu, Longfei Han, and Liu Yang. "Impacts of urbanization on river system structure: a case study on Qinhuai River Basin, Yangtze River Delta." Water Science and Technology 70, no. 4 (2014): 671–77. http://dx.doi.org/10.2166/wst.2014.278.

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Stream structure is usually dominated by various human activities over a short term. An analysis of variation in stream structure from 1979 to 2009 in the Qinhuai River Basin, China, was performed based on remote sensing images and topographic maps by using ArcGIS. A series of river parameters derived from river geomorphology are listed to describe the status of river structure in the past and present. Results showed that urbanization caused a huge increase in the impervious area. The number of rivers in the study area has decreased and length of rivers has shortened. Over the 30 years, there

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6

Meybeck, Michel. "Global analysis of river systems: from Earth system controls to Anthropocene syndromes." Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences 358, no. 1440 (2003): 1935–55. http://dx.doi.org/10.1098/rstb.2003.1379.

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Continental aquatic systems from rivers to the coastal zone are considered within two perspectives: (i) as a major link between the atmosphere, pedosphere, biosphere and oceans within the Earth system with its Holocene dynamics, and (ii) as water and aquatic biota resources progressively used and transformed by humans. Human pressures have now reached a state where the continental aquatic systems can no longer be considered as being controlled by only Earth system processes, thus defining a new era, the Anthropocene. Riverine changes, now observed at the global scale, are described through a f

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7

Sarkar, Mr Subhankar. "Smart River Water Level Monitoring System Using IoT." International Journal for Research in Applied Science and Engineering Technology 12, no. 12 (2024): 1423–35. https://doi.org/10.22214/ijraset.2024.66047.

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Abstract: India is a riverine country; Riverine civilization has developed in India since ancient times. Our India has grown crops around this river. Just as the river has made our country rich in crops, the raging nature of the river has repeatedly brought our country to the brink of destruction. Almost every year, erosion along with floods cause financial and other losses in India. Due to climate change and the damming of rivers every year, river water dries up during summers, and floods during monsoons can cause sudden rises in water and cause loss of life and other damage to humans and oth

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8

Song, Tao, Yuntong Zhao, Min Wang, and Zhe Cheng. "The Implementation Effect of China’s River and Lake Chief System." Water 16, no. 6 (2024): 815. http://dx.doi.org/10.3390/w16060815.

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The river and lake chief system offers a valuable policy toolkit to mitigate the degradation of water ecology, thereby bolstering water resource management for sustainable water development in China. To evaluate the effects of implementation and improve policy, this study took Beijing as a typical case and conducted a quantitative assessment using multidimensional data. The findings suggest that while the river and lake chief system in Beijing is effective and has significantly contributed to the ecological management of rivers and lakes, there are also notable regional disparities and urban–r

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9

Yermolaev, Oleg, Yerlan Shynbergenov, and Svetlana Mukharamova. "Geoinformation system “River Basins of russia”." InterCarto. InterGIS 29, no. 1 (2023): 546–59. http://dx.doi.org/10.35595/2414-9179-2023-1-29-546-559.

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An electronic map of basin geosystems of small rivers has been created for almost the entire mainland of Russia. The form of representation is a vector layer of polygonal objects; spatial detail corresponds to the regional level of generalization (scale 1:1 000 000). The research was performed in three stages: 1) The European Part of Russia (with the exception of the Crimea and the Kaliningrad region); 2) The Arctic watershed area of the Asian Part of Russia; 3) The Pacific watershed area (Far Eastern Federal District). In total, over 388 000 objects (basins) have been allocated with an averag

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10

Sigdel, Ashok, and Tetsuya Sakai. "Sedimentary facies analysis of the fluvial systems in the Siwalik Group, Karnali River section, Nepal Himalaya, and their significance for understanding the paleoclimate and Himalayan tectonics." Journal of Nepal Geological Society 51 (December 31, 2016): 11–26. http://dx.doi.org/10.3126/jngs.v51i0.24084.

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Fluvial sediments of the Siwalik successions in the Himalayan Foreland Basin are one of the most important continental archives for the history of Himalayan tectonics and climate change during the Miocene Period. This study reanalyzes the fluvial facies of the Siwalik Group along the Karnali River, where the large paleo-Karnali River system is presumed to have flowed. The reinterpreted fluvial system comprises fine-grained meandering river (FA1), flood-flow dominated meandering river with intermittent appearance of braided rivers (FA2), deep and shallow sandy braided rivers (FA3, FA4) to grave

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11

Wang, Liu Yan, You Peng Xu, and Ming Jing Yu. "River System Connectivity Analysis of Wuxi’s Central Urban Area Based on Graph Theory." Applied Mechanics and Materials 212-213 (October 2012): 543–48. http://dx.doi.org/10.4028/www.scientific.net/amm.212-213.543.

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Wuxi City is located in the hinterland of Taihu Basin and an important city in Yangtze River Delta Region with a prosperous economy. In the process of urban development, the river system pattern changes a lot. It has an impact on water environment, water ecology and other fields. The central urban area of Wuxi City was selected as the study area. Based on the river system of three periods: 1960s, 1980s and 2009, the rivers were classified into three levels according to the width of channels. The length, acreage and stream structure parameters were calculated. Then from the view of Graph Theory

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12

Gensen, Matthijs R. A., Jord J. Warmink, Fredrik Huthoff, and Suzanne J. M. H. Hulscher. "Feedback Mechanism in Bifurcating River Systems: the Effect on Water-Level Sensitivity." Water 12, no. 7 (2020): 1915. http://dx.doi.org/10.3390/w12071915.

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Accurate and reliable estimates of water levels are essential to assess flood risk in river systems. In current practice, uncertainties involved and the sensitivity of water levels to these uncertainties are studied in single-branch rivers, while many rivers in deltas consist of multiple distributaries. In a bifurcating river, a feedback mechanism exists between the downstream water levels and the discharge distribution at the bifurcation. This paper aims to quantify the sensitivity of water levels to main channel roughness in a bifurcating river system. Water levels are modelled for various r

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13

Ezraneti, Riri, Munawar Khalil, and Marzuki Marzuki. "Study of Water Quality for Aquaculture System in Ujung Pacu River, North Aceh Regency." Omni-Akuatika 16, no. 3 (2020): 119. http://dx.doi.org/10.20884/1.oa.2020.16.3.849.

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Ujung Pacu River is one of the rivers found in North Aceh Regency which is often used by surrounding communities such as for industrial, agricultural, residential and aquaculture activities that can affect river water quality. This study aimed to determine the water physical and chemical parameters in the Ujung Pacu River for aquaculture activities. The research method used was a survey method by determining the sampling station based on community activities around the river. The study consisted of 4 stations with 3 sampling points at each station. Data of water physical and chemical parameter

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Kaushal, Nitin, Suresh Babu, Arjit Mishra, et al. "Securing Flows in the River Systems through Irrigation Water Use Efficiency—A Case Study from Karula River in the Ganga River System." Water 14, no. 18 (2022): 2894. http://dx.doi.org/10.3390/w14182894.

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The pressure on freshwater resources is leading to diminishing flows in some of the critical river systems across the globe. India is no exception, and this is mainly because of water withdrawal for irrigation, which is often to the tune of 70% to 80% of the lean season flows, with some proportion for domestic and industrial use. While graduating from the concept of environmental flows and its assessment methodologies in India, the water-managers, the researchers and the conservationists are now moving towards answering the next question, if the rivers are to be revived, where will the water c

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15

De Rosa, Pierluigi, Andrea Fredduzzi, and Corrado Cencetti. "Geographic Information System Tools for River Evolution Analysis." Water 16, no. 17 (2024): 2512. http://dx.doi.org/10.3390/w16172512.

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Rivers represent naturally dynamic ecosystems that require diligent preservation efforts to maintain ecological balance and biodiversity. Understanding the evolutionary movements of rivers is crucial for effective conservation and management strategies. Geographic information systems (GISs) have emerged as indispensable tools in this domain and provide detailed spatial analysis and visualization capabilities. This paper explores the development and application of a specific set of GIS tools called RiverMetrics, which was designed to monitor and analyze rivers’ changes over time. By leveraging

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16

Zhao, Xuechu, Beibei Jiang, and Ming Chen. "Study on the Mechanism and Optimization Strategy of River-Chief System in River Basin Development." Academic Journal of Management and Social Sciences 5, no. 2 (2023): 34–38. http://dx.doi.org/10.54097/ajmss.v5i2.09.

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The river-chief system is an important measure to implement the construction of ecological civilization and maintain the healthy life of rivers and lakes in the new era. In order to deeply understand the effect of the river-chief system on the development of the river basin, this paper selects the Qinhuai River in Nanjing as the specific research object to study the implementation effect of the Qinhuai River’s river-chief system from three aspects: work progress, publicity and popularization, and river regulation. The study shows: (1) the river-chief system of Qinhuai River works well and prom

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17

Niu, Chengzhi, and Yougan Zhu. "Research on River Governance Index System in the Big Data Era." E3S Web of Conferences 275 (2021): 03058. http://dx.doi.org/10.1051/e3sconf/202127503058.

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Realizing the ecological health and sustainable development of rivers has become a worldwide research hotspot. Sustainable development is a large system with multi-system, multi-level and multi-index, In the era of big data, data science methods have made great changes in water resources governance methods. We can obtain more detailed data through big data methods to comprehensively and scientifically measure river governance. Based on the analytic hierarchy process, this paper invites experts in related fields to construct and score the river governance index system, and establish a river gov

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18

Biryukov, O. V. "TEMPORAL CHANGES IN THE STRUCTURE OF THE RIVER SYSTEM OF THE PODILIAN HIGHLANDS." Hydrology, hydrochemistry and hydroecology, no. 3 (73) (2024): 63–70. https://doi.org/10.17721/2306-5680.2024.3.6.

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The reduction in the number of small rivers, the deterioration of water quality, has taken on the scale of a national disaster. Individual watercourses and even entire parts of river systems have disappeared from the geographical map. It is practically impossible to completely stop these processes, but minimizing the consequences of their action is a very real task. In order to understand the nature of the changes and identify the factors affecting the system, it is necessary to conduct a comprehensive study of its past and present. To analyze structural changes in river systems, river systems

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Qi, Qingqing, Zipeng Wang, Hang Yin, Zezhong Zhang, and Fei Wang. "Construction and Application of a Seasonal River Health Evaluation System in Arid and Semi-Arid Areas." Water 16, no. 5 (2024): 691. http://dx.doi.org/10.3390/w16050691.

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Addressing the inadequacy of theoretical frameworks and evaluation indicators for assessing the health of seasonal rivers in arid and semi-arid regions, this study aims to enrich the theoretical foundation for the management and ecological restoration of seasonal river systems. By selecting seven indicators from three aspects: hydrology, habitat, and social services, a seasonal river health assessment indicator system was constructed for the Tabu River basin. The weights of the indicators were determined using the analytic hierarchy process and entropy weight method, and a classification stand

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Radulovic, Snezana, P. J. Boon, Dusanka Laketic, et al. "Preliminary checklists for applying SERCON (System for Evaluating Rivers for Conservation) to rivers in Serbia." Archives of Biological Sciences 64, no. 3 (2012): 1037–56. http://dx.doi.org/10.2298/abs1203037r.

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This paper describes the first steps in gathering biological data to assess the conservation value of rivers in Serbia, using SERCON (System for Evaluating Rivers for Conservation). SERCON was developed in the UK to improve consistency in assessments of river ?quality? by using a scoring system to evaluate habitat features and species groups, catchment characteristics, and the potential impacts to which river systems may be subjected. This paper provides checklists for aquatic, semiaquatic and marginal plants, macroinvertebrates, fish and birds associated with rivers in Serbia, collated from a

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Ko, Eui-Jeong, Eunsong Jung, Yuno Do, Gea-Jae Joo, Hyun-Woo Kim, and Hyunbin Jo. "Impact of River-Reservoir Hybrid System on Zooplankton Community and River Connectivity." Sustainability 14, no. 9 (2022): 5184. http://dx.doi.org/10.3390/su14095184.

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Anthropogenic connectivity regulation in rivers, such as via weirs and dams, affects the plankton community. We hypothesized that the longitudinal similarity of the zooplankton community in a river could change in a river–reservoir hybrid system (RRHS). The impact of weir construction on zooplankton communities in terms of species diversity, abundance, and community structure was examined biweekly at six sites on the Nakdong River for 14 years (before construction: 2002–2008; after construction: 2012–2018). We checked time-series alignment using a dynamic time-warping method between longitudin

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Ko, Eui-Jeong, Eunsong Jung, Yuno Do, Gea-Jae Joo, Hyun-Woo Kim, and Hyunbin Jo. "Impact of River-Reservoir Hybrid System on Zooplankton Community and River Connectivity." Sustainability 14, no. 9 (2022): 5184. http://dx.doi.org/10.3390/su14095184.

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Anthropogenic connectivity regulation in rivers, such as via weirs and dams, affects the plankton community. We hypothesized that the longitudinal similarity of the zooplankton community in a river could change in a river–reservoir hybrid system (RRHS). The impact of weir construction on zooplankton communities in terms of species diversity, abundance, and community structure was examined biweekly at six sites on the Nakdong River for 14 years (before construction: 2002–2008; after construction: 2012–2018). We checked time-series alignment using a dynamic time-warping method between longitudin

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Ko, Eui-Jeong, Eunsong Jung, Yuno Do, Gea-Jae Joo, Hyun-Woo Kim, and Hyunbin Jo. "Impact of River-Reservoir Hybrid System on Zooplankton Community and River Connectivity." Sustainability 14, no. 9 (2022): 5184. http://dx.doi.org/10.3390/su14095184.

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Anthropogenic connectivity regulation in rivers, such as via weirs and dams, affects the plankton community. We hypothesized that the longitudinal similarity of the zooplankton community in a river could change in a river–reservoir hybrid system (RRHS). The impact of weir construction on zooplankton communities in terms of species diversity, abundance, and community structure was examined biweekly at six sites on the Nakdong River for 14 years (before construction: 2002–2008; after construction: 2012–2018). We checked time-series alignment using a dynamic time-warping method between longitudin

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Yudo, S., H. D. Wahyono, K. M. Alhasa, Warto, S. Zulaikha, and Y. S. H. Pandiangan. "Water Quality Data Analysis from the Onlimo Monitoring System at 16 Stations in Priority Watersheds and Lakes." IOP Conference Series: Earth and Environmental Science 1201, no. 1 (2023): 012052. http://dx.doi.org/10.1088/1755-1315/1201/1/012052.

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Abstract Currently, the decline in the quality of river and lake water continues, for this reason, activities to control pollution and improve river and lake water quality are required. One effort to prevent this problem is to implement online water quality monitoring technology continuously and in real time. The information generated from the water quality monitoring system can be used as a basis for planning watershed management and determining river and lake water management policies at the national and regional levels. The purpose of this activity is to analyze river and lake water quality

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Al-Fradi, Falih Hasan Abdulhussein, Yulia A. Smyatskaya, and Natalia A. Politaeva. "Environmental assessment of Iraq's water system." Butlerov Communications 62, no. 5 (2020): 123–29. http://dx.doi.org/10.37952/roi-jbc-01/20-62-5-123.

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The main sources of water supply for the Iraq industries and settlements are water resources of Tigris and Euphrates rivers. The settlements, agriculture and industry facilities, primary located along the banks of the main rivers and their tributaries, together negatively influence the surface waters of the region. The search for sources for water supply is a serious problem due to the high pollution of water in settlements, the growing problem of desertification in the region, the reduction of water volumes in the Tigris and Euphrates rivers due to the construction of dams. A major threat to

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Pavlek, Katarina. "Geomorphological change in rivers: research approaches, results and challenges." Hrvatski geografski glasnik/Croatian Geographical Bulletin 85, no. 1 (2023): 5–39. http://dx.doi.org/10.21861/hgg.2023.85.01.01.

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Although rivers are inherently dynamic systems that are susceptible to change, human impact on rivers in the last century is considered to have been so significant that it has caused an unprecedented intensity of geomorphological change in river channels and floodplains. As these changes often lead to deterioration of ecological conditions as well as increased flood risks, the approach to river management has changed over the past twenty years. There is an increasing emphasis on a holistic approach based on the understanding of river system processes, for which studies of geomorphological chan

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Yao, Wenjie, and Ming Cheng. "Effectiveness of the River Chief System in China: A Study Based on Grassroots River Chief’s Behavior." Nature Environment and Pollution Technology 22, no. 3 (2023): 1493–501. http://dx.doi.org/10.46488/nept.2023.v22i03.034.

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The River Chief System is an administrative model of water environment governance currently adopted in China. Under this system, the chief CPC and government leaders at various levels serve as “river chiefs” and are responsible for organizing and directing the management and protection of the rivers and lakes within their remit. This paper tries to reveal the actual effectiveness of the River Chief System based on the behaviors of grassroots river chiefs (GRCs). First-hand data about GRCs is obtained through a questionnaire survey. Whether the water environment governance target is achieved an

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Nautiyal, Prakash, Amitabh Chandra Dwivedi, and Asheesh Shivam Mishra. "Age structure of carp and catfish catch as a tool to assess ecological health of fished stocks from the Ganga River system with special reference to Mahseer Tor tor (Hamilton, 1822)." Journal of Threatened Taxa 16, no. 10 (2024): 25979–89. http://dx.doi.org/10.11609/jott.9051.16.10.25979-25989.

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In the 20th centuary, the economically important carp species Labeo rohita, Tor tor, & Labeo calbasu and the catfishes Rita rita & Bagarius bagarius contributed substantially to the total fish catch from the Ganga River system in India. Samples were recorded between December 2003 and June 2004 from fish landing centers in the Ken, Paisuni, and Tons rivers for L. rohita, T. tor and L. calbasu. Rita rita and B. bagarius were sampled between September 2001 and September 2003 in the Ganga River system. The data were used to evaluate the growth and age structures of fish populations. Age cl

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Septianingrum, R. S., and E. Haryono. "Morphometric analysis using geographical information system techniques in serpeng and sumurup watersheds." IOP Conference Series: Earth and Environmental Science 1089, no. 1 (2022): 012034. http://dx.doi.org/10.1088/1755-1315/1089/1/012034.

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Abstract Serpeng and Sumurup are allogeneic rivers in Wonosari’s basin, which derive water to Gunungsewu karst drainage system. The river flow characteristics of their allogeneic system are influenced by the watershed and weather conditions of the area. In addition, quantitative morphometry plays an important role in hydrological processes with remote sensing and geospatial techniques used to carry out a morphometric analysis. SRTM (DEM) was an efficient tool for extracting morphometric parameters. The watershed of the Sumurup river was much wider, and covers a total area of 42.80 km2, with a

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Legleiter, Carl, and Brandon Overstreet. "Measuring the Morphology and Dynamics of the Snake River by Remote Sensing." UW National Parks Service Research Station Annual Reports 37 (January 1, 2014): 12–20. http://dx.doi.org/10.13001/uwnpsrc.2014.4035.

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The Snake River is a prominent, central feature of Grand Teton National Park, and this dynamic fluvial system maintains diverse habitats while actively shaping the landscape. Although the riparian corridor is relatively pristine, the Snake River is by no means free from anthropogenic influences: streamflows have been regulated since 1907 by Jackson Lake Dam. Among dam-controlled rivers in the western U.S., the Snake River is unique in that tributaries entering below the dam supply sufficient coarse bed material to produce a braided morphology. As a result of tributary inputs, sediment flux alo

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Chapagain, Binod P., Neelam C. Poudyal, J. M. Bowker, Ashley E. Askew, Donald B. K. English, and Donald G. Hodges. "Demand for and Economic Value of Nonmotorized Boating Access in Rivers at US National Forests." Journal of Forestry 119, no. 3 (2021): 275–90. http://dx.doi.org/10.1093/jofore/fvab006.

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Abstract Nonmotorized boating (NMB) is a popular recreation activity in the US National Forest System. Previous studies on NMB were from an individual river or site, which limited aggregating benefit across the system or generalizing to rivers across the country. Further, whether and how site and river characteristics affect the use of rivers for NMB activities are unknown. This study combined trip data collected from visitor surveys across the system with spatially explicit data on river characteristics in a travel cost model, and in the analysis step, characterized the economic benefit of NM

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Kimera, David, and Shaban Tumwijukye. "Early River Flood-Warning System Based on Embedded Systems." East African Journal of Engineering 5, no. 1 (2022): 1–27. http://dx.doi.org/10.37284/eaje.5.1.541.

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This paper details the design and construction of a Flood Warning System (FWS) for River Nyamwamba that has been prone to floods of a greater magnitude. The idea was developed on the principle that floods are a meteorological event that develops over time, and thus a need for sufficient time for people to evacuate, and to protect their lives and property. However, the range of existing FWSs have a tangle of conflicting requirements in terms of cost and reliability and have challenges from factors as diverse as technological and social. Built on Computer Embedded Systems, this study provides a

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Степаненко, В. М., А. И. Медведев, И. А. Корпушенков, Н. Л. Фролова, and В. Н. Лыкосов. "A river routing scheme for an Earth system model." Numerical Methods and Programming (Vychislitel'nye Metody i Programmirovanie), no. 4 (September 10, 2019): 396–410. http://dx.doi.org/10.26089/nummet.v20r435.

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Представлена новая версия модели ИВМ РАНМГУ деятельного слоя суши с описанием термогидродинамики речных потоков. Динамика рек представлена уравнениями диффузионной волны, термика одномерным уравнением притока тепла. Объектноориентированная реализация блока речной сети позволяет использовать произвольные решатели одномерных задач речной динамики, например уравнений СенВенана. В описание термодинамики снежного покрова добавлены эффекты просачивания жидкой влаги и ее замерзания. Совокупность усовершенствований модели позволила существенно улучшить расчет годового расхода воды и удовлетворительно

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Urbanič, Gorazd. "Ecological status assessment of the rivers in Slovenia – an overview." Natura Sloveniae 13, no. 2 (2011): 5–16. http://dx.doi.org/10.14720/ns.13.2.5-16.

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Adoption of the Water Framework Directive (Directive 2000/60/EC) includes ecological assessment of water bodies with biological communities. A WFD compliant ecological assessment includes ecological typology of water bodies, definition of reference conditions and classification system with five ecological classes. In this paper, an overview is given on the development of the ecological assessment system for Slovenian rivers. A special emphasis is laid on ecological river typology. 74 ecological river types were defined using bioregions or large rivers, and nine natural environmental descriptor

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Klymenko, M., V. Gandziura, O. Biedunkova, and I. Statnyk. "Influence of hydrochemical factors on morphometric variability of Scardinius erythrophthalmus in a freshwater river system." Biosystems Diversity 30, no. 3 (2022): 244–54. http://dx.doi.org/10.15421/012226.

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Studying fish growth is a complex task because growth depends on many factors. The process of fish growth is influenced by ecological factors of the water environment. Each species of fish has growth characteristics and characteristic changes in this process as a result of the action of natural and anthropogenic factors. We investigated the morphometric features of Scardinius erythrophthalmus in the hydroecosystem conditions of the Horyn River. Fish were caught by amateur fishing methods during 2018–2021 in the section of the hydrographic system of the Horyn River within the Rivne Plateau, whi

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Sarjiyanto, Sarjiyanto, and Libra Hari Inagurasi. "PERDAGANGAN DI PERTEMUAN SUNGAI KAPUAS DAN TAYAN, SANGGAU, KALIMANTAN BARAT, ABAD KE-19." PURBAWIDYA: Jurnal Penelitian dan Pengembangan Arkeologi 7, no. 1 (2018): 71. http://dx.doi.org/10.24164/pw.v7i1.257.

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This paper highlights trading activities at the confluence of the Kapuas River and Tayan River, Sanggau District, West Kalimantan. The meeting of two rivers is a strategic location, the river as a traffic lane, where the growth of settlements and the Malay kingdom. The kingdoms of West Kalimantan are generally located around river encounters, such as Sanggau, Tayan, Landak, Meliau, and Sintang. This paper aims to illustrate trade at the confluence of the Kapuas and Tayan Rivers, for example part of the upstream-downstream trading system between the inland and river mouths or coastal waters tha

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Thifalina, Filial Dhiya, Badrus Zaman, and Anik Sarminingsih. "Pollution Load Analysis of Wonokromo River with Program System Dynamics (STELLA)." Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan 20, no. 1 (2023): 1–10. http://dx.doi.org/10.14710/presipitasi.v20i1.1-10.

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Population growth, the increase in the industrial sector and the presence of waste from activities that haven’t been treated properly can make a water river being contaimined high pollutants. The pollutant parameters identified is Total Suspended Solid (TSS), Biological Oxygen Demand (BOD), Chemical Oxygen Demand (COD), Dissolved Oxygen (DO) and E.Coli. One of the polluted rivers is Wonokromo River which is located in Surabaya City, according from monitoring results Balai Besar Wilayah Sungai (BBWS) Brantas in 2021 the pollutant value in river with TSS is 484 mg/L, BOD is 15.96 mg/L, COD 23.91

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Romaidi, Romaidi, Bayu Agung Prahardika, and Muhammad Asmuni Hasyim. "UPAYA PENINGKATAN EKONOMI DAN PENGURANGAN SAMPAH DOMESTIK MASYARAKAT SUMBERSARI MELALUI PEMANFAATAN ALIRAN SUNGAI UNTUK BUDIDAYA IKAN MUJAIR." Journal of Research on Community Engagement 1, no. 2 (2020): 54. http://dx.doi.org/10.18860/jrce.v1i2.8839.

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One of the biggest threats from human activities to rivers is the increasing number of residential areas around or even just above the river flow. This condition is certainly very threatening the sustainability of rivers in the region. One of the biggest threats is that the garbage produced by the community will be directly disposed of in the river flow. One way that can be done to reduce waste disposal in the river is by utilizing river flow, so that many rivers are now increasingly being developed as a vehicle for habitat conservation, because the river is considered important for various aq

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Siregar, Iqbal Kamil, Jhonson Efendi Hutagalung, Bachtiar Efendi, and Herman Saputra. "Flood Detection Control System Design Based on SMS Gateway." JURNAL TEKNOLOGI DAN OPEN SOURCE 4, no. 2 (2021): 189–94. http://dx.doi.org/10.36378/jtos.v4i2.1803.

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Flood concern everybody in every flood area. It makes the researchers interest to take the research about flood detection system, especially in rivers by using mobile phone facilities. The procedure of this tool is if the flood rise due to overflow of the river, then the river guard will receive SMS to tell the people to anticipate the flood by sounding the alarm until the entire riverbank area. This SMS delivery is via connection to telecommunications network using SMS gateway module. This tool can be used as a flood emergency which is installed at river location points where sensors and cont

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Singh, Gurnam, and Naresh Kumar Agarwal. "Fishing methods in upper Ganga River system of Central Himalaya, India." Journal of Fisheries 2, no. 3 (2014): 195. http://dx.doi.org/10.17017/jfish.v2i3.2014.43.

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Present study on fishing methods in the upper Ganga River system was conducted during the period 2010-2012. Upper Ganga river system consists of two major rivers basins viz. Alaknanda and Bhagirathi rivers and number of their 1st and 2nd order tributaries which flows through Garhwal region (Central Himalaya). This large network of fluvial water resources harbours rich Ichthyofaunal diversity. The varied potential of fish resources from these water bodies permits the utilization of wide array of fishing methods. Most of the fishing methods of the Garhwal region are primitive, based on indigenou

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Singh, Gurnam, and Naresh Kumar Agarwal. "Fishing methods in upper Ganga River system of Central Himalaya, India." Journal of Fisheries 2, no. 3 (2014): 195–202. http://dx.doi.org/10.17017/j.fish.90.

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Present study on fishing methods in the upper Ganga River system was conducted during the period 2010-2012. Upper Ganga river system consists of two major rivers basins viz. Alaknanda and Bhagirathi rivers and number of their 1st and 2nd order tributaries which flows through Garhwal region (Central Himalaya). This large network of fluvial water resources harbours rich Ichthyofaunal diversity. The varied potential of fish resources from these water bodies permits the utilization of wide array of fishing methods. Most of the fishing methods of the Garhwal region are primitive, based on indigenou

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Wicaksana, Muhammad Akbar, and Hilal Hudan Nuha. "PREDICTION, MONITORING, AND EARLY WARNING SYSTEM OF WATER LEVELS IN FLOOD PROGRAM AREAS IN BANJARMASIN USING IoT AND LINEAR REGRESSION." JURNAL SOCIUS 11, no. 2 (2022): 31. http://dx.doi.org/10.20527/js.v11i2.14576.

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Banjarmasin is a city of a thousand rivers, floods often occur due to high tides and accompanied by rain. An early warning system is needed for monitoring and predicting river tides, especially in rivers that are prone to disasters. This study aims to develop an early warning system for river water levels using IoT and predicting linear regression analysis. The research method is through the manufacture of the NodeMCU V3 early warning system device , Microcontroller, and Ultrasonic A02YYUW. Monitoring to collect water level data at high tide is carried out on the banks of the river, then predi

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Dai, Z. X., C. M. Li, P. D. Wu, and Y. Yin. "AN AUTOMATED BOTTOM UP HYDROLOGIC CODING SYSTEM FOR DENDRITIC RIVER SYSTEM." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-4/W16 (October 1, 2019): 169–75. http://dx.doi.org/10.5194/isprs-archives-xlii-4-w16-169-2019.

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Abstract. The hydrologic coding of a dendritic river system can be used to indicate the stream order and spatial-structure features of a river system. However, most conventional hydrologic coding systems use a top down (i.e., from the source to the estuary) approach, which does not accurately reflect the hierarchies of a dendritic river system. Based on Gravelius’ definition of stream order, we have proposed an automated bottom up (i.e., traced from the estuary to the source) coding system for dendritic river systems. Firstly, directed topology trees are constructed to organize the data of a r

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Burford, M. A., A. T. Revill, D. W. Palmer, L. Clementson, B. J. Robson, and I. T. Webster. "River regulation alters drivers of primary productivity along a tropical river-estuary system." Marine and Freshwater Research 62, no. 2 (2011): 141. http://dx.doi.org/10.1071/mf10224.

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Worldwide, rivers continue to be dammed to supply water for humans. The resulting regulation of downstream flow impacts on biogeochemical and physical processes, potentially affecting river and estuarine productivity. Our study tested the hypothesis that primary production in the downstream freshwater reaches of a dammed river was less limited by light and nutrients relative to downstream estuarine primary production. In a tropical dryland Australian river estuary, we found that water-column primary productivity was highest at freshwater sites that had lowest light attenuation. Nitrogen may al

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Dalal, Parag. "Sustainable Urban Drainage System Monitoring for River Shipra." International Journal of Science and Research (IJSR) 13, no. 12 (2024): 728–30. https://doi.org/10.21275/sr241208213703.

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Andreev, Andrey. "Modeling of the river system of goliama kamchia." Journal scientific and applied research 2, no. 1 (2012): 50–57. http://dx.doi.org/10.46687/jsar.v2i1.43.

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The present study is based on an integrated approach for assessing the conditions and the relations between environmental factors that determine the extent of flooding danger in the researched area. Meteorological and hydrological factors come first, as well as geo-morphological factors, landscape factors and the management of flood risks. For the purposes of the study a wide range of statistical, cartographic, geodesic, remote and inquiry methods, and field observations are used.

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Woo, Ming-ko, and Robin Thorne. "Summer Low Flow Events in the Mackenzie River System." ARCTIC 69, no. 3 (2016): 286. http://dx.doi.org/10.14430/arctic4581.

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Most northern rivers experience recurrent low flow conditions in the summer (June to September), and rivers of the Mackenzie Basin are no exception. Low flow affects water supply, poses problems for river traffic, and can adversely affect aquatic ecology. Factors that affect summer low flow, which encompasses flows below specified discharge thresholds of concern, include evapotranspiration that leads to water loss from flow-contributing areas, antecedent high flow in which peak discharge is followed by gradual recession to low flow, rainfall and local glacier melt events that interrupt low dis

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Djaja, Irba, and B. Tambaib. "Water Quality Analysis and Pollution Load Capacity of The Central of Food Production Zones in Merauke Regency." E3S Web of Conferences 448 (2023): 03070. http://dx.doi.org/10.1051/e3sconf/202344803070.

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The Maro River and the Kumbe River are the downstream of the drainage system of Semangga District, Tanah Miring District, and Kurik District, the central point of food production in Merauke Regency. The water quality of these rivers is related to the quantity and quality of water from the drainage system, therefore agricultural activities and other local ceremonial determine the water flow in the drainage system. This study aimed to evaluate the water pollution index, the pollution loads, and the pollution load capacity of seven sites at the Maro and Kumbe Rivers. Based on Total Suspend Solid

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Grant, T., and G. McDonald. "Instream Flow Requirements for The Platypus (Ornithorhynchus anatinus): High Flows. Studies of Water Transfers from The Shoalhaven River System to The Hawkesbury-Nepean River System." Australian Mammalogy 20, no. 2 (1998): 304. http://dx.doi.org/10.1071/am98309.

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During periods of low flows into the storages of the Hawkesbury-Nepean River system, Sydney Water pumps water from Lake Yarrunga, a storage at the junction of the Shoalhaven and Kangaroo Rivers. to the Wingecarribee Dam in the southern tablelands of New South Wales. From there it can be released into the upper Nepean River storages and/or the Wingecarribee River, which drains into the Wollondilly River and hence into the stored water behind Warragamba Dam. Prior to the formulation of an operational release strategy for this system, controlled releases of water were made into both the systems.

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Motovilov, Y., V. Danilov-Danilyan, E. Dod, and A. Kalugin. "Flood protection effect of the existing and projected reservoirs in the Amur River basin: evaluation by the hydrological modeling system." Proceedings of the International Association of Hydrological Sciences 370 (June 11, 2015): 63–67. http://dx.doi.org/10.5194/piahs-370-63-2015.

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Abstract. Hydrological modeling system was developed as a tool addressed supporting flood risk management by the existing and projected reservoirs in the Amur River basin. The system includes the physically-based semi-distributed model of runoff generation ECOMAG coupled with a hydrodynamic MIKE-11 model to simulate channel flow in the main river. The case study was carried out for the middle part of the Amur River where large reservoirs are located on the Zeya and Bureya Rivers. The models were calibrated and validated using streamflow measuruments at the different gauges of the main river an

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