نتایج جستجو برای: zonation map

تعداد نتایج: 196576  

2003
Christopher D. G. Harley Washington Brian S. T. Helmuth

Rocky intertidal ecosystems are characterized by marked zonation patterns in which species replace one another along the vertical gradient of emersion time. Yet, we still do not fully understand the reasons that zonation patterns are variable in space and time. Here, we use effective shore level (ESL), a metric that incorporates the modifying influence of wave splash, to describe the relationsh...

2004
CAHİT HELVACI FEDERICO ORTÍ

The Kırka borate deposit (Miocene), in western Turkey, the most important B2O3 producer at present in the world, exhibits a symmetrical zonation in a lateral sense; it is comprised of: a central body of Na borate (borax), an intermediate zone of Na–Ca borate (ulexite), and a marginal zone of Ca borate (colemanite). This mineral zonation is also developed in a vertical sense, although it is some...

Journal: :Environmental science. Processes & impacts 2015
Anirban Mukhopadhyay Parimal Mondal Jyotiskona Barik S M Chowdhury Tuhin Ghosh Sugata Hazra

The composition and assemblage of mangroves in the Bangladesh Sundarbans are changing systematically in response to several environmental factors. In order to understand the impact of the changing environmental conditions on the mangrove forest, species composition maps for the years 1985, 1995 and 2005 were studied. In the present study, 1985 and 1995 species zonation maps were considered as b...

Journal: :Remote Sensing 2011
Benjamin W. Heumann

Mangroves provide valuable ecosystem goods and services such as carbon sequestration, habitat for terrestrial and marine fauna, and coastal hazard mitigation. The use of satellite remote sensing to map mangroves has become widespread as it can provide accurate, efficient, and repeatable assessments. Traditional remote sensing approaches have failed to accurately map fringe mangroves and true ma...

Extended abstract 1- Introduction Human beings have always sought to assess changes and discover changes. Soil erosion is one of the most important factors in soil degradation and reduction of fertility. Today, erosion of the soil due to non-expert human intervention has been removed from its natural process and has led to irreparable consequences. Considering the importance of studying chang...

Journal: :ISPRS Int. J. Geo-Information 2017
Han-Saem Kim Chang-Guk Sun Hyung-Ik Cho

Seismic site effects are influenced mainly by geospatial uncertainties corresponding to geological or geotechnical spatial variance. Therefore, the development of a geospatial database is essential to characterize site-specific geotechnical information in multiscale areas and to optimize geospatial zonation methods with potentially high degrees of spatial variability based on trial-and-error ge...

Journal: :The EMBO journal 2008
Dirk Heitzmann Renaud Derand Stefan Jungbauer Sascha Bandulik Christina Sterner Frank Schweda Abeer El Wakil Enzo Lalli Nicolas Guy Raymond Mengual Markus Reichold Ines Tegtmeier Saïd Bendahhou Celso E Gomez-Sanchez M Isabel Aller William Wisden Achim Weber Florian Lesage Richard Warth Jacques Barhanin

TASK1 (KCNK3) and TASK3 (KCNK9) are two-pore domain potassium channels highly expressed in adrenal glands. TASK1/TASK3 heterodimers are believed to contribute to the background conductance whose inhibition by angiotensin II stimulates aldosterone secretion. We used task1-/- mice to analyze the role of this channel in adrenal gland function. Task1-/- exhibited severe hyperaldosteronism independe...

2009
R. H. Hewins

Introduction: The detailed interpretations of chondrule thermal histories are difficult and controversial. The olivine in Type IA chondrules may be relicts of granular olivine aggregates or formed by fractional crystallization [1,2]. Type IIA chondrules may have been heated and cooled once or multiple times [3,4]. Criteria in addition to texture would be useful for determining the extent of mel...

2015
Qianqian Wang Dongchuan Wang Yong Huang Zhiheng Wang Lihui Zhang Qiaozhen Guo Wei Chen Wengang Chen Eric Vaz

Landslides are usually initiated under complex geological conditions. It is of great significance to find out the optimal combination of predisposing factors and create an accurate landslide susceptibility map based on them. In this paper, the Information Value Model was modified to make the Modified Information Value (MIV) Model, and together with GIS (Geographical Information System) and AUC ...

2016
William J. McCarty O. Berk Usta Martin L. Yarmush

In vitro liver models have been important tools for more than 40 years for academic research and preclinical toxicity screening by the pharmaceutical industry. Hepatocytes, the highly metabolic parenchymal cells of the liver, are efficient at different metabolic chemistries depending on their relative spatial location along the sinusoid from the portal triad to the central vein. Although replic...

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