scholarly journals Changes in water resources in selected lakes in the middle and lower catchment of the River Warta

2011 ◽  
Vol 11 (1) ◽  
pp. 25-32 ◽  
Author(s):  
Mariusz Ptak ◽  
Agnieszka Ławniczak
Keyword(s):  
Economic Development ◽  
Drinking Water ◽  
Water Resources ◽  
Water Supply ◽  
Water Retention ◽  
Water Deficiency ◽  
Predominant Process ◽  
Reduced Water

Changes in water resources in selected lakes in the middle and lower catchment of the River WartaLakes play a very important function in water retention, particularly in areas with strong water deficiency. Water resources in lakes determine the possibility of using them for different purposes, e.g. economic development (irrigation or drinking water, water supply for industry). With ongoing processes causing a reduction in lake capacity (shrinking and shallowing), it is necessary to investigate the scale and rate of decreasing lake resources, in terms of the economic and natural consequences of this process. The aim of the study was to test changes in water resources in lakes situated in the middle and lower River Warta catchment. Special attention was paid to lakes characterised by reduced water resources in order to identify factors contributing to this phenomenon. Our current studies of 127 lakes showed a 10% decrease in water resources over 50 years (1910-1960) in the analysed part of the catchment. Our results indicated that the predominant process causing the disappearance of lakes is shallowing. This factor should be monitored carefully to avoid further lake loss.

scholarly journals Analysis Of Raw Water Supply In Pucang Gading Housing Complex, District Of Demak To Preparation Of Water Resources And Water Resources Management

2018 ◽  
Vol 73 ◽  
pp. 03012
Author(s):  
Solikhul Abdi ◽  
Sudarno
Keyword(s):  
Drinking Water ◽  
Water Resources ◽  
Water Supply ◽  
Treatment Plant ◽  
Water Treatment Plant ◽  
Water Source ◽  
Water Sources ◽  
Service Area ◽  
Raw Water ◽  
Housing Complex

Pucang Gading Housing Complex is an area within the Village Batursari, District of Demak with a population of 2018 as many as 44,257 inhabitants. Raw water service system Mranggen Unit is divided into 5 areas of service (service area Mranggen, Batursari I, Batursari II, Batursari III and Kebon) which utilize raw water source of water treatment plant (IPA Waru) and 8 Wells In a total discharge of 120 liter/second. The number of home connections in Pucang Gading area is currently 3,374 house connections, with a total water usage 14.25 liter/second Water discharges from clean water sources in Pucang Gading region are currently not maximally available to supply water to Pucang Gading service area. In this research will know the problems and readiness that exist by looking from the achievement of Medium Term Development Plan of Demak Regency Year 2016-2021. This research uses SWOT analysis method that is internal and external factors. The selection of raw water sources for drinking water should pay attention to aspects of quality, quantity and continuity. Demak Regency has the potential of surface water either river/ reservoir/dam. The problems and challenges of drinking water supply include issues of safe access to water supply, and regulation of groundwater utilization for the community.

scholarly journals The Storage and Water Quality Characteristics of Rungiri Quarry Reservoir in Kiambu, Kenya, as a Potential Source of Urban Water

Hydrology ◽  
2019 ◽  
Vol 6 (4) ◽  
pp. 93 ◽  
Author(s):  
Winfred Kilonzo ◽  
Patrick Home ◽  
Joseph Sang ◽  
Beatrice Kakoi
Keyword(s):  
Water Quality ◽  
Drinking Water ◽  
Surface Water ◽  
Water Resources ◽  
Water Supply ◽  
Storage Capacity ◽  
World Health ◽  
Urban Water ◽  
Water Quality Status ◽  
Quality Status

Urbanization has caused limitations on water resources, while climate change has reduced amounts of surface water in some parts of the world. Kikuyu, a suburban area in Kiambu county, Kenya, is facing this challenge. The major challenge in the study is scarcity of potable water, resulting in inadequate water supply to Kikuyu residents. Currently, only 63.6% of the population is being supplied with water by Kikuyu Water Company, the company mandated to supply water to the area. Water demand was 2972 m3/day in 2015 and was projected to be 3834 m3/day by 2025. This has put pressure on the already exploited clean water resources, making it necessary to seek additional sources of domestic water. Storage capacity and water quality of surface water bodies, especially small reservoirs whose water can be used to ease the demand, need to be assessed for supplemental water supply. This study aimed at assessing the suitability of the abandoned quarry reservoir as a source of potable urban water by determining its storage capacity characteristics and water quality status. Volume characteristics were determined using bathymetry survey in January 2019. Water samples were collected in January and August 2019 and analyzed for chemical, physical, and bacteriological quality, as per the American Public Health Association (APHA) standard methods for water and wastewater. Parameters were evaluated based on World Health Organization (WHO) and Kenya Bureau of Standards (KEBS) guidelines for drinking water, and rated based on the drinking water quality index (WQI). The reservoir’s maximum storage capacity was found to be 128,385 m3, the surface area was 17,699 m2, and the maximum depth was 15.11 m. Nineteen of the twenty-five investigated parameters were within the acceptable standards. However, the concentrations of manganese (Mn), cadmium (Cd), iron (Fe), turbidity, total coliforms, and Escherichia coli (E. coli) were above the acceptable limits. Manganese and iron levels increased with depth. The overall WQI of the reservoir was 82.51 and 85.85 in January and August, respectively. Therefore, based on WQI rating, the water scored a good quality rating and could be used for domestic supply upon treatment. The original achievement of this study is establishment of the volume of the water in the quarry as an additional source of water to the nearby community, along with water quality status.

Adaptive management and governance of Delaware River water resources

Water Policy ◽  
2012 ◽  
Vol 15 (3) ◽  
pp. 364-385 ◽  
Author(s):  
Lynn A. Mandarano ◽  
Robert J. Mason
Keyword(s):  
Drinking Water ◽  
Water Resources ◽  
Water Supply ◽  
River Water ◽  
Adaptive Management ◽  
Flood Control ◽  
Cold Water ◽  
Drinking Water Supply ◽  
Management Approach ◽  
Delaware River

This paper articulates the complexities of adaptively managing Delaware River water resources to meet shifting priorities of drinking water supply, drought mitigation and flood mitigation, as well as conflicting stakeholder interests. In particular, the paper examines the short-term and long-term programs that comprise the Delaware River Basin Commission's (DRBC) and the 1954 US Supreme Court Decree parties' successful adaptive management approach that seeks to balance the growing list of demands for water resources management, including drinking water supply, drought management, flood control and cold water fisheries protection. Review of the DRBC's adaptive governance approach reveals the critical complexities of designing experimental, yet science-driven management approaches and effectively engaging various sets of stakeholders in the associated decision-making processes.

scholarly journals APPLICATION OF NEW TECHNOLOGIES IN THE WATER SUPPLY SYSTEM

2020 ◽  
Vol 1 (22) ◽  
Author(s):  
Sanel Buljubašić
Keyword(s):  
Climate Change ◽  
Water Management ◽  
Drinking Water ◽  
Water Resources ◽  
Water Supply ◽  
New Technologies ◽  
Supply System ◽  
Water Supply System ◽  
Integrated Water Management

Freshwater water resources are not inexhaustible [1]. In recent decades, more and more facts point to this statement from the European Charter for Water. Uncontrolled drinking water interventions, losses in water supply and climate change indicate the problem of sufficient quantities of drinking water [2]. Looking at this problem, it is hard to believe that new quantities of drinking water can be produced. The model of integrated water management has been increasingly used in recent years. The application of new technologies in water supply creates conditions for the controlled management of water intakes and losses in water supply. Each water sapply system needs to develop its own model for integrated water management.

scholarly journals Performance, Body Water Balance, Ingestive Behavior and Blood Metabolites in Goats Fed with Cactus Pear (Opuntia ficus-indica L. Miller) Silage Subjected to An Intermittent Water Supply

2020 ◽  
Vol 12 (7) ◽  
pp. 2881
Author(s):  
Italo Albuquerque ◽  
Gherman Araújo ◽  
Fernanda Santos ◽  
Gleidson Carvalho ◽  
Edson Santos ◽  
...  
Keyword(s):  
Drinking Water ◽  
Water Balance ◽  
Water Supply ◽  
Water Retention ◽  
Body Water ◽  
Ingestive Behavior ◽  
Blood Metabolites ◽  
Cactus Pear ◽  
Intermittent Water Supply ◽  
Efficiency Rate

This study evaluated the performance, body water balance, ingestive behavior and blood metabolites in goats fed with cactus pear silage subjected to an intermittent water supply. Thirty-six goats were distributed in a randomized block design arranged as a 3 × 3 factorial with cactus pear silage in the goats’ diet (on a 0%, 21% and 42% dry matter-DM basis) and water offer frequency (ad libitum, and 24 and 48 h water restrictions). There was an interaction only between the cactus pear silage level and water offerings for drinking water. Goats fed 42% cactus pear silage had greater intake of non-fibrous carbohydrates, energy, Ca, Mg and Na minerals, water intake, urinary water excretion, body water retention and nutrient digestibility. Cactus pear silage inclusion up to a 42% rate reduced eating and ruminating time and increased the time spent idling as well as the eating and the ruminating efficiency rate. Water restriction at 48 h reduced drinking water intake. Performance and blood metabolites were not affected by cactus silage inclusion or water offering. Cactus pear silage inclusion at up to 42% for goats is recommended during periods of water shortage in semiarid and arid regions because it improves eating, the ruminating efficiency rate, and body water retention; cactus pear silage inclusion at this rate reduces water consumption and it does not affect the performance or health of the animals.

WATER USE PROSPECTS IN THE OB-IRTYSH ENDORHEIC BASIN OF ALTAI KRAI

2020 ◽  
Author(s):  
Irina Rybkina ◽  
◽  
Nadezhda Kurepina ◽  
Tatyana Plutalova
Keyword(s):  
Economic Development ◽  
Drinking Water ◽  
Water Resources ◽  
Milk Production ◽  
Water Use ◽  
Economic Activity ◽  
Nature Management ◽  
Socio Economic Development ◽  
Endorheic Basin ◽  
Tourist Center

According to the Draft strategy for socio-economic development of Altai Krai until 2035, its western part represents the agroindustrial tourist center «Stepnoy» specializing in wheat, sunflower and milk production. However, there are problems of nature management and desertification. The intensification of economic activity will exacerbate the processes of pollution and degradation of water bodies, irrational use of water resources, problems of drinking water supply.

scholarly journals Insights on the Water–Energy–Food Nexus

Water ◽  
2020 ◽  
Vol 12 (10) ◽  
pp. 2882
Author(s):  
Vasilis Kanakoudis ◽  
Stavroula Tsitsifli
Keyword(s):  
Drinking Water ◽  
Water Resources ◽  
Water Supply ◽  
Integrated Management ◽  
Water Systems ◽  
Drinking Water Supply ◽  
Water Supply Systems ◽  
Special Issue ◽  
Management Approaches ◽  
Supply Systems

This Special Issue addresses topics on the water–energy–food (WEF) nexus along with other water-related topics, such as water resources, irrigation and drinking water supply systems, hydraulics and pollution. Several threats jeopardize freshwater availability and quality, energy and food availability. Integrated management approaches are absolutely necessary for pursuing sustainability. This Special Issue addresses various subjects and includes 29 peer-reviewed papers that have been grouped into the following categories: the WEF nexus, water resources and irrigation systems, drinking water supply systems, hydraulics and pollution. Some of them were selected from the Third Efficient Water Systems (EWaS) International Conference, entitled “Insights on the Water–Energy–Food Nexus,” after a thorough content update. Summaries of the papers are briefly presented in this Editorial.

scholarly journals Water resources management: traditional technology and communities as part of the solution

2014 ◽  
Vol 364 ◽  
pp. 236-242 ◽  
Author(s):  
J. Hussain ◽  
I. Husain ◽  
M. Arif
Keyword(s):  
Drinking Water ◽  
Water Resources ◽  
Water Supply ◽  
Water Availability ◽  
Geographical Area ◽  
The State ◽  
Water Levels ◽  
Drinking Water Supply ◽  
Shallow Aquifer ◽  
Minimum Requirement

Abstract. Rajasthan, the largest State in India, has one of the most critical water statuses. Rajasthan, with more than 10.4 % of the country’s geographical area, supports more than 5.5 % of the human population and 18.70 % of the livestock, but only has 1.16 % of the total surface water available in the country. More than 60 % of the state is a part of the Great Thar Desert, and of the total 142 desert blocks in the country, 85 blocks are in the state of Rajasthan. The per capita annual water availability in the state is about 780 m3, compared with the minimum requirement of 1000 m3. It is feared that the availability would fall below 450 m3 by the year 2050. Thus, increasing population coupled with erratic rainfall further aggravates the water crisis. It is possible to harvest and augment water resources through the construction of small water harvesting structures called johads and the implementation of local water governance. This has been amply demonstrated by the successful experience of local communities in Alwar District in Rajasthan. Since 1985, 8600 johads have been built in 1086 villages. This has resulted in the rise in water levels in the shallow aquifer, increase in the area under single and double crops, increase in forest cover and drinking water supply security. The water collected in a johad during the monsoon penetrates into the sub-soil. This recharges the groundwater and improves the soil moisture in vast areas. The water in the johad can be used directly for irrigation, drinking water by animals, and other domestic purposes. The other advantage of this structure is that it checks soil erosion, mitigates floods, and ensures water availability in wells or boreholes used for drinking water supply, even for several successive drought years. Also, during the dry season when the water gradually recedes in the johad, the land inside the johad itself becomes available for cultivation.

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