نتایج جستجو برای: iranian coastline
تعداد نتایج: 42704 فیلتر نتایج به سال:
INTRODUCTION Quoting an article in well-known textbooks is held as a credit for that paper. The numbers of Iranian publications mentioned in endodontic textbooks have increased during recent years. The aim of this investigation was to evaluate the number of Iranian articles quoted in eminent endodontic textbooks. METHODS AND MATERIALS Three known textbooks (Ingle's Endodontics, Seltzer and Be...
Aquaculture coasts have become widely distributed in coastal zones as human activities are intensified. Due to the complexity in this type of coast, it is difficult to extract the coastline with traditional automated mapping approaches. In this paper, we present an automated method—object-based region growing integrating edge detection (OBRGIE) for the extraction of this type of coastline. In t...
This paper focuses on automated extraction and monitoring of coastlines by remote sensing techniques using multi-temporal Landsat imagery along Caofeidian, China. Caofeidian, as one of the active economic regions in China, has experienced dramatic change due to enhanced human activities, such as land reclamation. These processes have caused morphological changes of the Caofeidian shoreline. In ...
In alluvial coastal aquifers, finer sediments are preferentially deposited along the downstream direction, so the hydraulic conductivity is generally heterogeneous and changes with distance from the coastline. To investigate the influence of aquifer heterogeneity on seawater-groundwater interaction, a new two-dimensional model characterising groundwater flow in an aquiferaquitard system was dev...
This paper presents a comprehensive approach to effectively and accurately extract coastlines from satellite imagery. It consists of a sequence of image processing algorithms, in which the key component is image segmentation based on a locally adaptive thresholding technique. Several technical innovations have been made to improve the accuracy and efficiency for determining the land/ water boun...
On 1 March 1997 a recreational pilot reported flying under and in front of a roll cloud on the northern Tasmanian coastline. This roll cloud, which was accompanied by a marked wind change at the surface, was propagating westward along the northern Tasmanian coastline, rather than in the easterly direction usual for cool change passage in the mid-latitudes. This paper describes the synoptic envi...
This study examined the distribution of major mosquito species and their roles in the transmission of Ross River virus (RRV) infection for coastline and inland areas in Brisbane, Australia (27 degrees 28' S, 153 degrees 2' E). We obtained data on the monthly counts of RRV cases in Brisbane between November 1998 and December 2001 by statistical local areas from the Queensland Department of Healt...
To study the structure of Iranian chemistry research, we identified 43 Iranian and international chemists who were highly cited in 7,682 Iranian chemistry publications (defined as an article with at least one Iranian author address) indexed in Science Citation Index (SciSearch) between 1990 and 2006, inclusive. We collected cocitation data for these authors from the entire SciSearch file (Dialo...
The paper is proposing a method for evaluating the Hausdorff-Besicovitch dimension of natural coastlines from satellite images. A fractal dimension is a statistical index which is describing the complexity of a given pattern embedded in given spatial dimensions. In particular, this index is providing a measure of the capacity the considered fractal pattern has to fill the space in which it is e...
Iran has 1,700km of coastline that borders the Persian Gulf and Arabian Sea in northwest Indian Ocean. Apart from a handful records, almost nothing is known about which marine mammal species occur Iranian waters. This review was conducted to fill this information gap. A total 127 records 14 were compiled coastal Ninety-nine Gulf, 26 Oman 2 unknown location. Records finless porpoise (Neophocaena...
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