Red-Emitting Fluorophores as Local Water-Sensing Probes

2021 ◽  
Author(s):  
Jimmy Maillard ◽  
Christopher A. Rumble ◽  
Alexandre Fürstenberg
Keyword(s):  
Local Water ◽  
Water Sensing

scholarly journals Local water sensing: water exchange in bacterial photosynthetic reaction centers embedded in a trehalose glass studied using multiresonance EPR

2017 ◽  
Vol 19 (41) ◽  
pp. 28388-28400 ◽  
Author(s):  
Anna Nalepa ◽  
Marco Malferrari ◽  
Wolfgang Lubitz ◽  
Giovanni Venturoli ◽  
Klaus Möbius ◽  
...  
Keyword(s):  
Reaction Center ◽  
Water Exchange ◽  
Reaction Centers ◽  
Photosynthetic Reaction Centers ◽  
Bacterial Reaction Center ◽  
Pulsed Epr ◽  
Local Water ◽  
Water Sensing

Pulsed EPR spectroscopies and isotope labeled water are applied to detect and quantify the local water in a bacterial reaction center embedded into a trehalose glass.

A 2050 Vision for Colorado's water supply future

2012 ◽  
Vol 7 (4) ◽  
Author(s):  
N. Rowan ◽  
E. Hecox ◽  
S. Morea
Keyword(s):  
Water Supply ◽  
Water Conservation ◽  
Colorado River ◽  
Economic Recession ◽  
The State ◽  
Severe Drought ◽  
Water Shortages ◽  
Water Projects ◽  
Demand And Supply ◽  
Local Water

The last decade has brought many changes to Colorado's water supply outlook. Despite the recent economic recession, the state has experienced significant population growth, and Colorado's population is expected to nearly double within the next 40 years. Other pressures on Colorado's water supply include severe drought, a desire to meet multiple needs (i.e., municipal, environmental, recreational) with existing resources, and impacts to agriculture due to water shortages, urbanization, and transfers to new users. To address these challenges, the Colorado Water Conservation Board (CWCB) has undertaken a visioning process to explore solutions to these future water supply challenges. As part of this process, CWCB has led the state in identifying demand and supply strategies to meet the state's future water needs while considering agriculture and the environment. These strategies have been combined into varying portfolios that include methods such as conservation, local water projects, new Colorado River development, and agricultural transfers. This paper details the development and evaluation of these portfolios and describes stakeholder's efforts to balance meeting Colorado's water needs in the future.

Living with water: at the cross-roads of change

1995 ◽  
Vol 31 (8) ◽  
pp. 393-400 ◽  
Author(s):  
Joost de Jong ◽  
Peter T. J. C. van Rooy ◽  
S. Harry Hosper
Keyword(s):  
Water Management ◽  
Water Quality ◽  
Water Environment ◽  
Integrated Water Management ◽  
Practical Action ◽  
The People ◽  
Global Perception ◽  
Local Water ◽  
Water Quality Deterioration ◽  
The Way

Until the last two decades, the global perception of how to control our various water bodies was remarkably similar – water management was organised on a sectoral basis, as it always had been. It was only in the 1970s that the people actually responsible for implementing water management began to become aware of the serious implications of such an approach: water quality deterioration, desiccation and an alarming loss of the flora and fauna that characterised their local water environment. It was a growing awareness that led to the formation of the concept of integrated water management, a concept almost universally accepted today as the way forward. However, despite the fact that few dispute the validity of the concept, a number of obstacles remain before this theoretical agreement can be transformed into practical action. Three main bottlenecks stand in the way of implementation: institutional, communicational and socio-political. Whilst solutions to these are available, the key question still to be answered is whether society is really prepared to accept the consequent changes in the way we live that will result from putting the theory of integrated water management into practice. It was this issue that dominated the “Living with water” conference held in Amsterdam in September 1994. The following is a summary of the discussions held there and the various papers that were submitted.

Development of a Rain Water Sensing Window

2016 ◽  
Vol 86 (3-4) ◽  
pp. 73
Author(s):  
Spandan Guha ◽  
Dwaipayan Talapatra ◽  
Dhruba Jyoti Das
Keyword(s):  
Rain Water ◽  
Water Sensing

AQUIFER TESTS: EDUCATIONAL, TECHNICAL AND PRESENTATION EXPERIENCES AT A RESEARCH UNIVERSITY: A CASE STUDY WORKING WITH A LOCAL WATER DISTRICT

2019 ◽  
Author(s):  
Wayne Hamilton ◽  
◽  
Stephanie S. Wong ◽  
Wynne Casteel ◽  
Ashley McGill ◽  
...  
Keyword(s):  
Research University ◽  
Local Water ◽  
Water District

scholarly journals The RiBaTox web tool: selecting methods to assess and manage the diverse problem of chemical pollution in surface waters

2019 ◽  
Vol 31 (1) ◽  
Author(s):  
Kees J. M. Kramer ◽  
Frank Sleeuwaert ◽  
Guy Engelen ◽  
Christin Müller ◽  
Werner Brack ◽  
...  
Keyword(s):  
Water Quality ◽  
Surface Waters ◽  
Complex Problem ◽  
End Users ◽  
Water Bodies ◽  
Chemical Pollution ◽  
The Novel ◽  
Web Tool ◽  
Novel Approaches ◽  
Local Water

Abstract Chemical pollution of water bodies is a complex problem around the globe. When described by the extremes of the range of problem definitions, water bodies can be chemically polluted by a single compound that is emitted from a point source or an incidental spill, or by chronic diffuse emissions from local and upstream land uses. The resulting mixture exposures can vary in space and time, e.g. due to the use of pesticides in the crop growing season. The environmental management objectives are commonly to protect and restore surface waters against human influences. Currently, chemical pollution is globally judged for a selected set of compounds, by judging each of these individually in comparison with protective environmental quality standards. Research has provided a novel assessment paradigm (solution-focused risk assessment) and novel data, measurement methods and models to improve on current practices. Their adoption and application require establishing novel linkages between the diverse problem definitions and the novel approaches. That would assist water quality professionals to select the most effective option or options to protect and restore water quality. The present paper introduces the RiBaTox (River Basin Specific Toxicants assessment and management) web tool. It consists of short descriptions of the novel approaches (made available as Additional file 1) and a decision tree for end-users to select those. The overview of novel approaches collated in RiBaTox is relevant for end-users ranging from local water quality experts up till strategic policy developers. Although RiBaTox was developed in the context of European water quality problems, the methods provided by RiBaTox are relevant for users from (inter)national to local scales. This paper is part of a series of Policy Briefs from the EU-FP7 project SOLUTIONS (http://www.solutions-project.eu), which provide backgrounds on chemical pollution of surface waters and policy practices and proposed improvements.

scholarly journals Water Quality and Financial Analysis of a System Combining Rainwater and Greywater in a House

Water ◽  
2021 ◽  
Vol 13 (7) ◽  
pp. 930
Author(s):  
Gustavo Rosa ◽  
Enedir Ghisi
Keyword(s):  
Water Consumption ◽  
Potable Water ◽  
Treatment Process ◽  
Financial Analysis ◽  
Good Alternative ◽  
Water Savings ◽  
Financial Benefits ◽  
Before And After ◽  
Local Water ◽  
Water Tariffs

This study aimed to evaluate the installation of a system that combines rainwater to wash clothes and greywater to flush toilets in a house located in Florianópolis, southern Brazil. The evaluation consisted of determining the potable water savings, performing a financial analysis, and verifying the possibility of using rainwater and reusing greywater according to the local legislation. The reduction in potable water consumption was determined by comparing the monthly water and sewage bill, before and after installing the system, combining rainwater and greywater. The financial analysis was performed considering the financial benefits, operational costs, costs for installing the system, and local water tariffs. After installing the system, there was a decrease of 38.0% in the monthly potable water consumption, which represents a decrease of 7.00 m3 in the monthly potable water consumption. The payback periods for the old and new water tariffs were equivalent to, respectively, ten years and seven months, and eight years and five months. Both rainwater and greywater had parameters with concentrations higher than the limits established by the legislation. Therefore, the rainwater had to go through a device for discarding the first flush and needed disinfection; and the greywater needed to go through a treatment process. The results indicated that the system combining rainwater and greywater shows significant potential for potable water savings, which can be a good alternative to the preservation of potable water resources. It is important to note that current studies on rainwater use and greywater reuse are mainly related to non-potable purposes, but it was shown herein that rainwater can be used for washing clothes.

scholarly journals MINERAL NUTRITION OF CRISPHEAD LETTUCE GROWN IN A HYDROPONIC SYSTEM WITH BRACKISH WATER

2016 ◽  
Vol 29 (3) ◽  
pp. 656-664 ◽  
Author(s):  
HAMMADY RAMALHO E SOARES ◽  
ÊNIO FARIAS DE FRANÇA E SILVA ◽  
GERÔNIMO FERREIRA DA SILVA ◽  
RAQUELE MENDES DE LIRA ◽  
RAPHAELA REVORÊDO BEZERRA
Keyword(s):  
Nutrient Solution ◽  
Mineral Nutrition ◽  
Brackish Water ◽  
Water Source ◽  
Water Salinity ◽  
Hydroponic System ◽  
Foliar Phosphorus ◽  
Solution Preparation ◽  
Phosphorus And Potassium ◽  
Local Water

ABSTRACT Water availability in the Brazilian semiarid is restricted and often the only water source available has high salt concentrations. Hydroponics allows using these waters for production of various crops, including vegetables, however, the water salinity can cause nutritional disorders. Thus, two experiments were conducted in a greenhouse at the Department of Agricultural Engineering of the Federal Rural University of Pernambuco, to evaluate the effects of salinity on the mineral nutrition of crisphead lettuce, cultivar Taina, in a hydroponic system (Nutrient Film Technique), using brackish water in the nutrient solution, which was prepared by adding NaCl to the local water (0.2 dS m-1). A randomized blocks experimental design was used in both experiments. The treatments consisted of water of different salinity levels (0.2, 1.2, 2.2, 3.2, 4.2 and 5.2 dS m-1) with four replications, totaling 24 plots for each experiment. The water added to compensate for the water - depth loss due to evapotranspiration (WCET) was the brackish water of each treatment in Experiment I and the local water without modifications in Experiment II. The increase in the salinity of the water used for the nutrient solution preparation reduced the foliar phosphorus and potassium contents and increased the chloride and sodium contents, regardless of the WCET. Foliar nitrogen, calcium, magnesium and sulfur contents were not affected by increasing the water salinity used for the nutrient solution preparation.

Sign in / Sign up

Export Citation Format

Share Document