Use competition and water exchange in Marina Baja district, Alicante, Spain

2005 ◽  
Vol 5 (3-4) ◽  
pp. 265-272 ◽  
Author(s):  
T.T. Martí
Keyword(s):  
Water Exchange ◽  
Citrus Fruit ◽  
Water Markets ◽  
Tourist Industry ◽  
Related Services ◽  
Integrated Water Management ◽  
The North ◽  
Increasing Demand ◽  
Water Problems ◽  
Water Uses

The water problems in Marina Baja district, located in the north of Alicante Province, southeast Spain, gives rise to very interesting practices in the management of this scarce resource. The key issue in water use both in the Júcar Catchment and in Marina Baja district is the growing demand for water in inland areas for intensive crop irrigation (principally fruit, medlars and citrus fruit) and the growth in demand for water for urban use, as well as for use in the tourist industry and its related services mainly in the towns in the coastal areas, due to strong growth in tourism. This trend of increasing demand has created a tense situation as well as conflict between existing water uses and the need for integrated water management in the area. This step implies that procedures for water exchange contracts have to be developed, that are significantly different from emerging water markets.

scholarly journals Transport and fate of hexachlorocyclohexanes in the oceanic air and surface seawater

2011 ◽  
Vol 8 (3) ◽  
pp. 5537-5562 ◽  
Author(s):  
Z. Xie ◽  
B. P. Koch ◽  
A. Möller ◽  
R. Sturm ◽  
R. Ebinghaus
Keyword(s):  
Southern Ocean ◽  
Long Range ◽  
Water Exchange ◽  
Exchange Process ◽  
Lower Atmosphere ◽  
Long Range Transport ◽  
Surface Seawater ◽  
The North ◽  
Range Transport ◽  
Long Term Trends

Abstract. Hexachlorocyclohexanes (HCHs) are ubiquitous organic pollutants derived from pesticide application. They are subject to long-range transport, persistent in the environment, and capable of accumulation in biota. Shipboard measurements of HCH isomers (α-, γ- and β-HCH) in surface seawater and boundary layer atmospheric samples were conducted in the Atlantic and the Southern Ocean in October to December of 2008. ΣHCHs concentrations (the sum of α-, γ- and β-HCH) in the lower atmosphere ranged from 11.8 to 36.9 pg m−3 (mean: 26.6 ± 11.0 pg m−3) in the Northern Hemisphere (NH), and from 1.5 to 4.0 pg m−3 (mean: 2.8 ± 1.1 pg m−3) in the Southern Hemisphere (SH), respectively. Water concentrations were: α-HCH 0.33–46.8 pg l−1, γ-HCH 0.02–33.2 pg l−1 and β-HCH 0.11–2 pg l−1. HCH concentrations decreased from the North Atlantic to the Southern Ocean, indicating historical use of HCHs in the NH. Spatial distribution showed increasing concentrations from the equator towards North and South latitudes illustrating the concept of cold condensation and less interhemispheric mixing process. In comparison to concentrations measured in 1987–1999/2000, gaseous HCHs were slightly lower, while dissolved HCHs decreased by factor of 2–3 orders of magnitude. Air-water exchange gradients suggested net deposition for α-HCH (mean: 3759 pg m−2 day−1) and γ-HCH (mean: 1987 pg m−2 day−1), whereas β-HCH varied between equilibrium (volatilization: <0–12 pg m−2 day−1) and net deposition (range: 6–687 pg m−2 day−1), indicating a multi-hopper transport behavior. Climate change may significantly accelerate the releasing process of "old" HCHs from continental storage (e.g. soil, vegetation and high mountains) and drive long-range transport from sources to deposition in the open oceans. Biological productivities may interfere with the air-water exchange process as well. Consequently, further investigation is necessary to elucidate the long term trends and the biogeochemical turnover of HCHs in the oceanic environment.

Study of water exchange in Kerch strait using NEMO model of Black Sea

2021 ◽  
Author(s):  
Roman Sedakov ◽  
Barnier Bernard ◽  
Jean-Marc Molines ◽  
Anastasiya Mershavka
Keyword(s):  
Water Flow ◽  
Black Sea ◽  
Water Exchange ◽  
Discharge Rate ◽  
The Black Sea ◽  
External Forcing ◽  
Sea Of Azov ◽  
The Sea Of Azov ◽  
The North ◽  
Kerch Strait

&lt;p&gt;The Sea of Azov is a small, shallow, and freshened sea that receives a large freshwater discharge. Under certain external forcing conditions brackish water from the Sea of Azov flow into the north-eastern part of the Black Sea through the narrow Kerch Strait and form a surface-advected buoyant plume. Water flow in the Kerch Strait also regularly occurs in the opposite direction, which results in the spreading of an advected plume of saline and dense water from the Black Sea into the Sea of Azov. Using a regional Black Sea Azov Sea model based on NEMO we study physical mechanisms that govern water exchange through the Kerch Strait and analyze the dependence of its direction and intensity on external forcing conditions. We show that water exchange in the Kerch Strait is governed by a wind-induced barotropic pressure gradient. Water flow through the shallow and narrow Kerch Strait is a one-way process for the majority of the time. Outflow from the Sea of Azov to the Black Sea is induced by moderate and strong northerly winds, while flow into the Sea of Azov from the Black Sea is induced by southerly winds. The direction and intensity of water exchange have wind-governed synoptic and seasonal variability, and they do not depend on the variability of river discharge rate to the Sea of Azov on an intraannual timescale.&lt;/p&gt;

Ethics of Global Tourism

2012 ◽  
pp. 200-209
Author(s):  
Loykie Lomine
Keyword(s):  
Code Of Ethics ◽  
Tourism Industry ◽  
Tourist Industry ◽  
Tourist Destinations ◽  
Key Concepts ◽  
Global Tourism ◽  
World Tourism Organization ◽  
Increasing Demand ◽  
Corporate Social ◽  
Tourism Organization

The global tourism industry may provide millions of jobs and billions of enjoyable days for travellers and holiday-makers, but it also requires ethical consideration. This chapter starts by examining the ethics of global tourism around two questions: Firstly, are some tourist destinations unethical? Secondly, are some forms of tourism unethical? These two thematic presentations, based on many examples and controversies, are followed by a short discussion of two key concepts which help conceptualize the ethics of global tourism: exploitation and sustainability. The adoption of a Global Code of Ethics for Tourism by the United Nations World Tourism Organization in 1999, the publication of articles) and then books about tourism ethics, the implementation of corporate social responsibility policies in the tourist industry, as well as the increasing demand for ethical tourism products all show that ethics has now entered global tourism, both in practice and in theory.

scholarly journals Water exchange between the Sea of Azov and the Black Sea through the Kerch Strait

Ocean Science ◽  
2020 ◽  
Vol 16 (1) ◽  
pp. 15-30 ◽  
Author(s):  
Ivan Zavialov ◽  
Alexander Osadchiev ◽  
Roman Sedakov ◽  
Bernard Barnier ◽  
Jean-Marc Molines ◽  
...  
Keyword(s):  
Water Flow ◽  
Black Sea ◽  
Water Exchange ◽  
The Black Sea ◽  
External Forcing ◽  
Sea Of Azov ◽  
Buoyant Plume ◽  
The Sea Of Azov ◽  
The North ◽  
Kerch Strait

Abstract. The Sea of Azov is a small, shallow, and freshened sea that receives a large freshwater discharge. Under certain external forcing conditions low-salinity waters from the Sea of Azov flow into the north-eastern part of the Black Sea through the narrow Kerch Strait and form a surface-advected buoyant plume. Water flow in the Kerch Strait also regularly occurs in the opposite direction, which results in the spreading of a bottom-advected plume of saline and dense waters from the Black Sea into the Sea of Azov. In this study we focus on the physical mechanisms that govern water exchange through the Kerch Strait and analyse the dependence of its direction and intensity on external forcing conditions. Analysis of satellite imagery, wind data, and numerical modelling shows that water exchange in the Kerch Strait is governed by a wind-induced barotropic pressure gradient. Water flow through the shallow and narrow Kerch Strait is a one-way process for the majority of the time. Outflow from the Sea of Azov to the Black Sea is induced by moderate and strong north-easterly winds, while flow into the Sea of Azov from the Black Sea occurs during wind relaxation periods. The direction and intensity of water exchange have wind-governed synoptic and seasonal variability, and they do not depend on the rate of river discharge to the Sea of Azov on an intra-annual timescale. The analysed data reveal dependencies between wind forcing conditions and spatial characteristics of the buoyant plume formed by the outflow from the Sea of Azov.

Israeli-Jordanian water deal leaves Palestinians dry

2015 ◽  
Keyword(s):  
World Bank ◽  
Red Sea ◽  
Water Exchange ◽  
Dead Sea ◽  
Palestinian Authority ◽  
Content Type ◽  
Water Sharing ◽  
The North ◽  
The Dead ◽  
Local Water

Subject The implications of the Red Sea-Dead Sea plan. Significance Israel and Jordan on February 26 signed an agreement to facilitate water-sharing and address the depletion of the Dead Sea, which is receding at a rate of about a metre per year. The 900 million dollar World Bank-sponsored 'Seas Canal' deal consists of two main aspects: local water exchange deals, with Jordan providing Israel with desalinated water from Aqaba in exchange for bluewater from the Sea of Galilee in the north; and saltwater transfer from the Red Sea to the Dead Sea. The Palestinian Authority is not party to the agreement, and awaits a separate deal with Israel. Impacts Prospects for Palestinian-Israeli water negotiations have drastically decreased. Jordan will still need to agree further desalination and cooperation deals in order to meet demand. Water saving efforts will be pushed aside in favour of much more costly desalination. Desalination powered by burning fossil hydrocarbons accelerates global warming.

Ventilation of the North Pacific Ocean: Water exchange between subtropical and tropical gyres

1999 ◽  
Vol 17 (3) ◽  
pp. 271-277
Author(s):  
Peng Ma-chuan ◽  
Feng Ming ◽  
Lian Shu-min ◽  
Bai Hong ◽  
Hu Dun-xin ◽  
...  
Keyword(s):  
Pacific Ocean ◽  
North Pacific ◽  
Water Exchange ◽  
North Pacific Ocean ◽  
Ocean Water ◽  
The North ◽  
The North Pacific

Tensions in water management: Dutch tradition and European policy

2007 ◽  
Vol 56 (4) ◽  
pp. 105-111 ◽  
Author(s):  
W. Ravesteijn ◽  
O. Kroesen
Keyword(s):  
Water Management ◽  
River Basin Management ◽  
Management Tool ◽  
Centralized Control ◽  
Management Tools ◽  
Integrated Water Management ◽  
Mutual Adaptation ◽  
First Results ◽  
Set Up ◽  
Water Problems

Present-day worldwide water problems require new management tools and sustainable system innovations. At Delft University of Technology research is being carried out into water resources and management development aimed at forming such tools and innovations, focused on Integrated River Basin Management (IRBM). One of the case-studies deals with Dutch water management and technology in the context of European IRBM in the form of the 2000 Water Frame Directive. The Netherlands experience many water problems and European IRBM could bring help by offering a framework for both international cooperation and technological innovations. To work as an adequate management tool European IRBM should be tailored to the Dutch water tradition, which recently culminated in Integrated Water Management. Both approaches are in some respects contradicting. Europe pursues, for example, centralized control; while the Dutch have their strongly water boards based decentralized administration. The tensions between both approaches require mutual adaptation, for which the concept of subsidiarity might offer points of departure. This paper describes the first results of the case-research into Dutch water management and technology in the context of Europe as well as the backgrounds and the set-up of the research as a whole.

scholarly journals Urban resilient integrated water management pathways, to achieve sustainable water resources development in Chennai metropolitan city, Tamil Nadu, India

2017 ◽  
Vol 12 (3) ◽  
pp. 564-575
Author(s):  
P. M. Natarajan ◽  
Shambhu Kalloikar
Keyword(s):  
Water Resources ◽  
Water Supply ◽  
Tamil Nadu ◽  
Integrated Water Resources Management ◽  
Capital City ◽  
Domestic Water ◽  
Integrated Water Management ◽  
Metropolitan City ◽  
North East ◽  
The North

Chennai, the capital city of Tamil Nadu State, India is the fourth most populous metropolitan city in the nation, and the world's 36th largest metropolitan area. This city is facing acute water scarcity since it depends mainly on the North East monsoon (October-December) rain. As per the WHO norm of domestic water supply along with 20% of domestic use for industrial purpose, Chennai needs 807 million litre per day (MLD) for the present 4.98 million people and 1,455 MLD in 2050 for the 8.98 million projected population. There is about 2,018 MLD of water by different sources to the city. However, the dependable water resource from to this city is only 730 MLD and hence the present deficit is 77 MLD and 725 MLD in 2050. However, through ‘Urban resilient’ integrated water resources management pathways, it is possible to generate or save about 4,225 MLD of water to this city and bridge the water supply demand gap.

scholarly journals The Role of Water/economic Studies in Solution of Social/ecological Water Problems in the Far East

2017 ◽  
Author(s):  
Keyword(s):  
Far East ◽  
Flood Damage ◽  
Water Bodies ◽  
Eastern Region ◽  
Integrated Water Management ◽  
Social Ecological ◽  
Russian Research Institute ◽  
Branch Development ◽  
Water Problems ◽  
Far Eastern

The paper presents the activities of the Russian Research Institute for Integrated Water Management and protection Far Eastern Branch and gives the list of the principal accomplished works. The activities of the Branch is focused on solution of social/ecological water problems in the Far Eastern region concerning flood-risky territories protection and mitigation of the flood damage, as well as water supply of population, water resources (including transboundary water bodies) rational use and protection, normalizing of permissible impacts upon water bodies, etc. Priorities in the RosNIIVKH Far Eastern Branch development and scientific researches aimed at elaboration of methodic approaches both on the above trends and on normalizing of human impact upon marine offshore water areas.

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