نتایج جستجو برای: flood zonation

تعداد نتایج: 24960  

2006
Cyril Piou Ilka C. Feller

Mangroves are prone to bearing frequently the full brunt of hurricanes and tropical storms. The extent of destruction and early regeneration are widely studied. The purpose of this study was to add a long-term view of mangrove regeneration and assess the potential effects on mangrove horizontal zonation patterns of catastrophic destruction. Hattie, a category five hurricane, hit the Belizean co...

2012
M. K. ARORA S. CHAUHAN M. SHARMA D. P. KANUNGO

Availability of accurate and objective landslide susceptibility maps depicting zones defined on the basis of probability of occurrence of landslides is one of the critical inputs in assessing risk to property and lives in any mountainous region, particularly in the Himalayas. The aim of this study is to portray the usage of an in-house developed indigenous software, acronymmed as Landslide Susc...

2018
Hilde Herrema Julius F.W. Baller Michael Müller Folkert Kuipers Albert K. Groen Aldo Grefhorst

Hepatic glucose metabolism is zonated. Glycolysis is mainly localized in hepatocytes surrounding the hepatic vein (pericentral zone) whereas gluconeogenesis is mainly carried out by hepatocytes surrounding the portal vein (periportal zone). Expression of the gene encoding the gluconeogenic enzyme phosphoenolpyruvate carboxykinase (PEPCK, PCK1) is reduced upon feeding. PEPCK is considered a peri...

2005
Steven C. Pennings Mark D. Bertness MARK D. BERTNESS

1 We investigated the factors producing zonation patterns of the dominant plants in south-eastern USA salt marshes where Juncus roemerianus dominates the high marsh, and Spartina alterniflora the middle and low marsh. 2 Juncus did not occur naturally in the Spartina zone and performed poorly when transplanted there, irrespective of whether neighbours were present or removed, indicating that its...

2005
H. Lee Q. Hao R. G. Yang X. Chen G. Chen

This project utilizes microfluidic systems to study how groups of liver cells acquire emergent tissue properties. Hepatocytes (the parenchymal cells of the liver) respond to many cues in their microenvironment: neighboring cells, growth factors, extracellular matrix, dissolved oxygen, and their interactions. One tissue property of interest is the compartmentalization of gene expression in multi...

Journal: :پژوهش های جغرافیای طبیعی 0
کریم سلیمانی دانشیار مرکز سنجش از دور دانشگاه مازندران محمد بشیر گنبد کارشناسی ارشد دانشکده منابع طبیعی دانشگاه مازندران سید رمضان موسوی مربی دانشکده منابع طبیعی دانشگاه مازندران شهرام خلیقی استادیار دانشکده منابع طبیعی دانشگاه تهران

flood is one of the major natural disasters in iran, which is mostly, affected most parts of the country and caused hazards. therefore, identification of the area with high potential risk of flood occurrence is the main purpose in order to the flood control and reducing its damages. in this research the role of the flood routing in identification of the area with high potential flooding has inv...

2015
Jian Tang Qingyun Li T C Cham Y Mitani

2011 Thailand flood has brought serious impact to downstream of Chao Phraya River Basin. The flood peak period started from August, 2011 to the end of October, 2011. This research focuses on midstream of Chao Phraya River Basin, which is Nakhon Sawan area includes confluence of Nan River and Yom River, also confluence of Ping River and Nan River. The main purpose of this research is to understa...

2012
CHEN Xiao-hong WANG

Wujiang River, one of the main branches of the Beijiang River in South China, is frequently suffered from flood disasters. Flood clustering becomes one of the critical sub-issues for realizing the different types of flood features. This paper attempts to put forward a flood clustering approach for flood feature identification which is important to the flood risk management and flood forecasting...

Journal: :Acta Limnologica Brasiliensia 2023

Abstract: Aim Zooplankton functional groups play an important role in lake functioning and can readily respond to environmental changes may be associated with phytoplankton changes. In warmer regions, zooplankton species have a smaller body size, which decreases their grazing capacity, attenuating top-down control throughout phytoplankton. We evaluated density biomass of relationship algal hori...

2007
HONGMING HE JIE ZHOU QIAN YU YONG Q. TIAN ROBERT F. CHEN

Floods cause environmental hazards and influence on socio-economic activities. In this study, we evaluated the historic flood frequency at a confluence in the middle Yellow River, China. A non-parametric, multivariate, empirical, orthogonal function matrix model, which consists of time correlation coefficients of flood discharge at different gauge stations and flood events was used for the anal...

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