نتایج جستجو برای: natural and manmade coastal changes
تعداد نتایج: 16978856 فیلتر نتایج به سال:
Coastal inundation has been identified as an important natural hazard that affects densely populated and built-up areas (Subcommittee on Disaster Reduction, 2008). Inundation, or coastal flooding, can result from various physical processes, including storm surges, tsunamis, intense precipitation events, and extreme high tides. Such events cause quickly rising water levels. When rapidly rising w...
the central purpose of this study was to conduct a case study about the role of self monitoring in teacher’s use of motivational strategies. furthermore it focused on how these strategies affected students’ motivational behavior. although many studies have been done to investigate teachers’ motivational strategies use (cheng & d?rnyei, 2007; d?rnyei & csizer, 1998; green, 2001, guilloteaux & d?...
Article history: Received 7 February 2006 Received in revised form 1 August 2006 Accepted 2 August 2006 The impact of climate change on tourism has been examined in terms of changes in a destination's climate; the impact of ancillary effects such as sea-level rise has been neglected. In this study the role that coastal and other landscape features have on the attractiveness of tourist destinati...
in the early years, the rising of the sea level, which is a part of natural treatment, destroyed many buildings, arable lands, residential and commercial areas. it seems that the main reason of these destructions is the diminishing of the legal setback efficiency and the proceeding of human activities. the aim of this study is to introduce the appropriate setback for southern coast of caspian s...
Iran is among 10 top potential countries of occurrence of natural hazards in the world and from among 35 natural hazards, so far about 30 hazards have occurred in Iran(Negaresh and Latifi,2009). One of the different types of natural hazards which every year causes a lot of damage particularly in arid and arid regions of the world is the existence of sandy hills(Omidwar,2006); sandy hills are mo...
Archaeological and geomorphological features, as well traces left by tsunamis, earthquakes, vertical earth-crust displacements, are used to identify sea-level coastal changes. Such features may be displaced, submerged or eroded natural processes human activities. Thus, identifying ancient sea levels changes associated with such controversial often leads misinterpretations. We exemplify the use ...
Biogenic reefs are important for habitat provision and coastal protection. Long-term datasets on the distribution and abundance of Sabellaria alveolata (L.) are available from Britain. The aim of this study was to combine historical records and contemporary data to (1) describe spatiotemporal variation in winter temperatures, (2) document short-term and long-term changes in the distribution and...
Using multi-temporal European Remote-sensing Satellites (ERS-1/-2) and Canadian Radar Satellite (RADARSAT-1) synthetic aperture radar (SAR) data over the Louisiana coastal zone, we characterize seasonal variations of radar backscattering according to vegetation type. Our main findings are as follows. First, ERS-1/-2 and RADARSAT-1 require careful radiometric calibration to perform multi-tempora...
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