搜索结果: 1-15 共查到“Mountain”相关记录367条 . 查询时间(0.125 秒)
Assessment of an improved individual tree detection method based on local-maximum algorithm from unmanned aerial vehicle RGB imagery in overlapping canopy mountain forests
CROWN DETECTION POINT CLOUDS UAV IMAGERY SEGMENTATION DELINEATION LIDAR INVENTORY HEIGHT FIELD
2023/12/15
Low consumer-grade cameras attached to small unmanned aerial vehicles (UAV) can easily acquire high spatial resolution images, leading to convenient forest monitoring at small-scales for forest manage...
Modeling Tree Growth Responses to Climate Change: A Case Study in Natural Deciduous Mountain Forests
biotic and abiotic factors climate change Hyrcanian Forest machine learning RCP scenarios
2023/11/22
Climate change has significant effects on forest ecosystems around the world. Since tree diameter increment determines forest volume increment and ultimately forest production, an accurate estimate of...
Age-independent diameter increment models for mixed mountain forests
Age-independent growth equations Algebraic difference approach Mixed effects models Uneven-aged forest Mixed species forests Growth index
2023/11/20
Mixed mountain forests with an uneven-aged structure are characterized by a high tree-growth?variability making traditional age-dependent?growth?models inapplicable. Estimating site productivity is ye...
Evaluation of sensory and safety quality characteristics of “high mountain tea”
Evaluation sensory safety quality characteristics high mountain tea
2024/7/30
High mountain tea (HT) is widely acknowledged as an essential resource of high quality tea due to its adaptation to superior ecological environments. In this study, the sensory (aroma and taste) and s...
AGB Estimation in a Tropical Mountain Forest (TMF) by Means of RGB and Multispectral Images Using an Unmanned Aerial Vehicle (UAV)
forest AGB UAV RGB data multispectral data
2024/2/4
The present investigation evaluates the accuracy of estimating above-ground biomass (AGB) by means of two different sensors installed onboard an unmanned aerial vehicle (UAV) platform (DJI Inspire I) ...
中国地质大学科学技术发展院任双坡(博士研究生), 姚光庆等 资源学院构造与油气资源教育部重点实验室 Journal of Hydrology, 2018, Borehole characterization of hydraulic properties and groundwater flow in a crystalline fractured aquifer of a headwater mountain watershed, Laramie Range, Wyoming
美国西部；怀俄明州；拉勒米地区；山区裂缝性；花岗岩；地下水
2021/10/21
2018年，国际著名期刊《Journal of Hydrology》刊发了中国地质大学关于美国西部怀俄明州拉勒米地区山区裂缝性花岗岩地下水系统综合表征的研究成果。论文第一作者为资源学院2015级博士研究生任双坡。该研究成果来源于资源学院姚光庆教授科研团队与美国怀俄明大学地质系Ye Zhang教授合作项目。论文第一作者赴美国怀俄明大学联合培养期间受到学校“研究生国际交流基金”资助。
OPTIMIZED ORGANIZATION AND ADAPTIVE VISUALIZATION OF COMPLICATED MOUNTAIN DISASTER 3D SCENES FOR DIVERSE TERMINALS
Mountain Disaster 3D Scenes Adaptive Visualization
2018/11/9
Mountain disaster scenes usually contains various geographical entities, which are dynamic and complicated. Therefore, the construction of mountain disaster 3D scenes has great significance for disast...
TECHNICAL ASPECTS RELATED TO THE APPLICATION OF SFM PHOTOGRAMMETRY IN HIGH MOUNTAIN
Alpine Environment Glaciology Photogrammetry Structure-from-Motion UAV/UAS
2018/6/5
Structure-from-Motion (SfM) photogrammetry is a flexible and powerful tool to provide 3D point clouds describing the surface of objects. Due to the easy transportability and low-cost of necessary equi...
FLASH FLOOD MAPPING FOR MOUNTAIN STREAMS USING HIGH-RESOLUTION ALOS-2 DATA
ALOS-2 Capacity building Flood detection Valley floodplain
2018/4/18
This paper introduces a practical way to improve the risk management capacity and resilience of communities by utilizing a prompt flash flood map produced from very high spatial resolution ALOS-2 data...
FLASH FLOOD MAPPING FOR MOUNTAIN STREAMS USING HIGH-RESOLUTION ALOS-2 DATA
ALOS-2 Capacity building Flood detection Valley floodplain
2018/5/8
This paper introduces a practical way to improve the risk management capacity and resilience of communities by utilizing a prompt flash flood map produced from very high spatial resolution ALOS-2 data...
Dust On The Wind:Study Reveals Surprising Role Of Dust In Mountain Ecosystems（图）
Dust On The Wind Role Of Dust Mountain Ecosystems
2017/12/19
Find related stories on NSF's Critical Zone Observatories at this link.Trees growing atop granite in the southern Sierra Nevada Mountains rely on nutrients from windborne dust more than on nutrients f...
UW Study of Global Datasets Reveals Significant Role of Dust in Mountain Ecosystems（图）
UW Study Global Datasets Dust Mountain Ecosystems
2017/12/19
Trees growing atop the Bald Mountain Granite in the southern Sierra Nevada rely on nutrients from windblown atmospheric dust -- more than 50 percent -- compared to nutrients provided from underlying b...
Assessing the amount of soil organic matter and soil properties in high mountain forests in Central Anatolia and the effects of climate and altitude
forest soil topographic conditions climate model semi-arid regions Turkey
2017/6/26
The objectives of this study were to determine the amounts of soil organic matter (SOM) stored within surface soils of high mountain forests and how the SOM amounts are affected by aridity and altitud...
Mountain lions fear humans,fleeing when they hear our voices,new study reveals
Mountain lions fear humans they hear our voices
2017/7/24
"Fraidy cat" isn't the way most people think of mountain lions, but when it comes to encounters with humans, perhaps they should.New research into the behavior of these big cats indicates that they do...
Atmospheric scientists conduct field experiment to study wind flow over complex mountain terrain
Atmospheric scientists conduct field experiment wind flow over complex mountain terrain
2017/7/21
Over the past month, researchers have descended on Portugal's Vale Do Cobrão near the Spanish border to study the valley's wind flow patterns.The international project, known as Perdigão aft...