نتایج جستجو برای: coastal zone

تعداد نتایج: 161493  

2016
Matthias Egger Wytze Lenstra Dirk Jong Filip J R Meysman Célia J Sapart Carina van der Veen Thomas Röckmann Santiago Gonzalez Caroline P Slomp

Globally, the methane (CH4) efflux from the ocean to the atmosphere is small, despite high rates of CH4 production in continental shelf and slope environments. This low efflux results from the biological removal of CH4 through anaerobic oxidation with sulfate in marine sediments. In some settings, however, pore water CH4 is found throughout the sulfate-bearing zone, indicating an apparently ine...

Journal: :J. Artificial Societies and Social Simulation 2015
Handi Chandra Putra Haiyan Zhang Clinton Andrews

Regional land use patterns influence and are influenced by the climate system in important ways, and the most economically important of these interactions take place in the region’s coastal zone. Changing flood risks threaten the value of billions of dollars worth of coastal real estate as well as the viability of coastal communities. This paper presents an agent-based model to capture some of ...

2015
Dylan E. McNamara Sathya Gopalakrishnan Martin D. Smith A. Brad Murray

Human population density in the coastal zone and potential impacts of climate change underscore a growing conflict between coastal development and an encroaching shoreline. Rising sea-levels and increased storminess threaten to accelerate coastal erosion, while growing demand for coastal real estate encourages more spending to hold back the sea in spite of the shrinking federal budget for beach...

Journal: :ISPRS Int. J. Geo-Information 2016
Jing Xie Shuxiu Liang Zhaochen Sun Jiang Chang Jianwen Sun

Increasing coastal space resource utilization (CSRU) activities and their impact on coastal environments has been recognized as a critical coastal zone stressor. Consequently, the need for sustainable and valid CSRU management has been highlighted. In this study, a highly-intelligent prototype decision-aided system for CSRU was developed. In contrast with existing coastal decision-aided systems...

2017

Tsunami waves are the most underrated hazard affecting the life near coastal belts. With socio-economic developments in coastal region results in more hazardous from tsunami. The hazard assessment of tsunami is highly vital. The Makran region is exceptional in closure zone of Tethys; it is only segment east of the Mediterranean and west of Andaman arc in which subduction of oceanic lithosphere ...

Journal: :international journal of environmental research 0
z. siddiqui school of civil engineering, university of leeds, ls2 9jt, uk

a study of substantial anthropogenic related pollution in the coastal samut prakarn province (thailand) was carried out focusing on the bang pu nature reserve (remnant mangrove wetland) using a remote sensing (geospatial) technique. statistical regression models were developed between biochemical parameters of sample point and related reflectance data obtained from satellite imagery (landsat tm...

Journal: :Journal of the American Mosquito Control Association 1999
M D Ortega F R Holbrook J E Lloyd

A total of 177,344 Culicoides specimens were collected from 3,109 light trap collections made weekly from August 1990 to October 1991 at 62 sites in the provinces of Cádiz, Córdoba, Huelva, Seville, and Málaga, Spain. Reported for the 1st time are Culicoides agathensis, Culicoides bahrainensis, Culicoides marcleti, and Culicoides odiatus in the Iberian Peninsula, and Culicoides scoticus in Anda...

2017
Martina Siena Monica Riva

We analyze the combined effects of aquifer heterogeneity and pumping operations on seawater intrusion (SWI) in coastal aquifers, a phenomenon which is threatening Mediterranean and worldwide regions. We conceptualize the aquifer as a three-dimensional randomly heterogeneous porous medium, where the spatial distribution of permeability is uncertain. The geological setting of our study is pattern...

2004
Xutong Niu Ruijin Ma Tarig Ali Alok Srivastava Ron Li

Coastal mapping and shoreline change detection are critical to many applications, including navigation, coastal zone management, coastal environmental protection, and sustainable development. Field surveying and on-site investigation become inevitable to ensure the quality of coastal decision making. To provide innovative tools for governmental agencies to increase efficiency and reduce operati...

2012
Caroline W Gitonga Tansy Edwards Peris N Karanja Abdisalan M Noor Robert W Snow Simon J Brooker

OBJECTIVE To investigate risk factors, including reported net use, for Plasmodium infection and anaemia among school children and to explore variations in effects across different malaria ecologies occurring in Kenya. METHODS This study analysed data for 49 975 school children in 480 schools surveyed during a national school malaria survey, 2008-2010. Mixed effects logistic regression was use...

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