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Integrative Conservation, Volume 3, Issue 4, Page 398-409, December 2024.Understanding the potential impacts of projected climate change scenarios on critically endangered species is critical to guide effective conservation planning. Species distribution modelling techniques such as MaxEnt are increasingly becoming important tools for predicting habitat shifts in response to projected climate change scenarios.
Mark Zvidzai +4 more
wiley +1 more source
Guangtongxin yanjiu, 2020 针对光纤布拉格光栅（FBG）超声探测传感器测量灵敏度和量程相互制约的问题,文章提出了一种基于法布里珀罗（FP）腔和π相移FBG（π-FBG）的解调方案。文章分析了利用FP腔解调的原理并进行了详细的数值仿真分析。理论分析表明,利用FP腔的两个纵模作为一组解调器同时解调,可将系统灵敏度提高两倍,并且具有很好的线性度。扩展到多个纵模时可构建解调器阵列,从而极大地提高了系统的量程,有效地解决了测量灵敏度和量程相互制约的问题。数值仿真结果表明,该方案在实际可操作参数范围内切实可行,并具有灵敏度高和响应速度快等优势。
高在青 +3 more
doaj
Zhejiang Daxue xuebao. Lixue ban, 2023 以我国西南地区614项国家级非物质文化遗产为研究对象，综合运用最邻近指数、核密度、地理集中指数、地理探测器、缓冲区分析等方法分析西南地区非物质文化遗产的空间分布特征及其影响因素。结果显示：（1）西南地区非物质文化遗产类型空间分布差异显著，传统技艺、传统舞蹈较多，传统体育/游艺与杂技较少；空间分布呈明显的凝聚特征，其中，传统技艺、传统医药凝聚特征显著，传统体育/游艺与杂技趋向均匀分布；（2）西南地区非物质文化遗产整体呈“东多西少”的特征，形成“两核一带”空间分布格局；（3）影响因素主要有自然因素 ...
何银春(HE Yinchun) +3 more
doaj +1 more source
Risk Assessment and Influencing Factors Analysis of Heavy Metals in Soil of Non-Surface Coal Mines in Southern Hebei Province [PDF]
Non-surface coal mining is an important means to obtain coal resources. It is crucial to study the influencing factors and ecological risks of soil heavy metal contents of non-surface coal mines for the protection and management of mine area ecosystems ...
Anbing ZHANG +5 more
core +1 more source
Gaoya dianqi, 2012 为了了解设备表面和内部的工频电场,从而更好地研究设备运行的状态及优化改进设备,笔者介绍了一维球型电场传感器的测量原理,设计了一种基于C8051F410单片机的便携式工频电场测量装置,讨论了不同形状及规格电场探头对测量结果的影响并完成了电场探头的选型。在500 kV交流输电线下方和实验室简化同心圆球电极内使用该装置与国外标准仪器进行了对比测量,现场测试结果表明该装置测量数据与国外仪器相比具有较大的相关度,能准确地测量电力系统工频电场,具有很好的实用性。
刘聪汉, 何为, 汪金刚, 胡泽文
doaj
Spatial-temporal Changes and Driving Factors of Cultivated Land Intensive Use in Inner Mongolia Autonomous Region from 1985 to 2018 [PDF]
, 2022 [Objective] The spatial and temporal changes in the intensive use of arable land in Inner Mongolia Autonomous Region were studied in order to improve the intensive and sustainable use of arable land resources.
Hao Zhaohui +6 more
core +1 more source
低空无人飞行器遥感技术在重庆城口滑坡堰塞湖灾害监测中的应用研究
Shuitu Baochi Xuebao, 2011 应用无人飞行器低空遥感技术对重庆城口滑坡地质灾害进行监测,分析了无人飞行器低空遥感技术在复杂地形及气象条件下数据获取与数据处理的技术流程和方法,并对无人飞行器低空遥感技术在滑坡地质灾害灾情评估和灾损评价中的应用上进行了探索.结果表明,无人飞行器低空遥感技术在困难地区完成遥感数据的获取与处理、三维建模和应用分析具有明显优势;无人飞行器低空遥感技术生成的数字正射影像图和数字高程模型数据可以为地质灾害发生后的抢险救灾、灾情评估和灾后重建提供准确、直观、翔实的基础数据和统计分析数据 ...
马泽忠, 王福海, 刘智华, 刘学
doaj
Monitoring and Evaluating Carbon Sink Capacity for Comprehensive Management of Soil and Water Conservation in Small Watersheds [PDF]
, 2023 [Objective] The carbon sinks of soil and vegetation were monitored and evaluated in order to provide technology and methodology for implementing dynamic monitoring and evaluation of carbon sinks for soil and water conservation projects, and to provide ...
Cheng Hui +6 more
core +1 more source
Effects of Landuse Change on Spatial and Temporal Patterns of Carbon Sources/Sinks in Huainan Mining Area from 2000 to 2020 [PDF]
, 2023 [Objective] The spatial and temporal distribution characteristics of land use carbon sources/sinks in the Huainan mining area from 2000 to 2020 were analyzed, in order to provide a basis for Huainan City’s territorial spatial planning and future low ...
Chen Xiaoyang +5 more
core +1 more source
Dynamic Monitoring of Grain for Green Program at Chaoyang City, Liaoning Province Based on Landsat Images During 1985—2020 [PDF]
, 2023 [Objective] The land cover during the grain for green project (GGP) at Chaoyang City, Liaoning Province were analyzed, and the trend of inter annual land class changes were tracked and monitored, and the impact of the project on barren hills, cultivated ...
Huo Ran +4 more
core +1 more source