نتایج جستجو برای: mountainous landscape

تعداد نتایج: 74458  

Journal: :Remote Sensing 2011
Jahan Kariyeva Willem J. D. van Leeuwen

Through the application and use of geospatial data, this study aimed to detect and characterize some of the key environmental drivers contributing to landscape-scale vegetation response patterns in Central Asia. The objectives of the study were to identify the variables driving the year-to-year vegetation dynamics in three regional landscapes (desert, steppe, and mountainous); and to determine ...

2013
Zhi-guo Li Guo-shi Zhang Yi Liu Kai-yuan Wan Run-hua Zhang Fang Chen

Recent urban landscape vegetation surveys conducted in many cities in China identified numerous plant nutrient deficiencies, especially in newly developed cities. Soil nutrients and soil nutrient management in the cities of Hubei province have not received adequate attention to date. The aims of this study were to characterize the available nutrients of urban soils from nine cities in Hubei pro...

Journal: :Forests 2022

For poverty-stricken mountainous cities in China, both poverty alleviation and ecological restoration projects are sources of land-use change urban development. However, the patterns changes understudied light sustainable forest management. The study aims to explore characteristics a city with focus on forests. This research proposed three-step approach multi-aspect dynamics land change, includ...

2016
Chunbo Zhang Xiucheng Guo Yonggang Wang Yan Li Ning Zhang

Original scientific paper This paper adopted chi-square test and binary logistic regression to analyse factors about mountainous freeway crash severity level in the southeast of China and to determine the factor impact on crash severity level to make corresponding measures to improve road safety. Results of this paper indicated that younger and older drivers, female drivers, weekends and drivin...

2016
Truong An Dang Sang Deog Park

Studies of sediment transport problems in mountainous rivers with steep slopes are difficult due to rapid variations in flow regimes, abrupt changes in topography, etc. Sediment transport in mountainous rivers with steep slopes is a complicated subject because bed materials in mountainous rivers are often heterogeneous and contain a wide range of bed material sizes, such as gravel, cobbles, bou...

2011
Konstantinos Ioannou Garyfallos Arabatzis Theodoros Koutroumanidis Georgios Apostolidis

The establishment of Christmas tree plantations over the last 50 years in Greece has provided an additional income for the inhabitants of certain mountainous and semi-mountainous regions of the country and contributed to their development. In this paper is used a neural network which combined with ARIMA which makes forecast of number of actually cut Christmas trees until the year 2015.

Journal: :تحقیقات جغرافیایی 0
جلیل باقری دانشگاه اصفهان

â â â  this paper attempts to investigate the relationship between 500hpa circulation patterns and weather types (coldest, warmest and raining) over 16 synoptic stations of mountainous region of iran. the mountainous region of iran covers about 670000 square kilometer (41 percent) of iran. in this paper have been investigated the relationship between circulation patterns in 500hpa level with we...

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