搜索结果: 1-15 共查到“Global”相关记录1763条 . 查询时间(0.235 秒)
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2024年12月29日,中国科学院动物研究所赵莉蔺研究员团队在生态学国际期刊Global Change Biology在线发表了题为“Vulnerability of global pine forestry's carbon sink to an invasive pathogen-vector system”的研究成果,揭示了松材线虫对全球森林碳汇造成威胁。
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中国科学院西北高原生物研究所《高寒草地生态恢复技术与管理模式》《Grassland Degradation, Restoration and Sustainable Management of Global Alpine Area》出版(图)
生态系统 管理 气候
2025/1/8
高寒草地生态系统作为青藏高原乃至我国生态安全的关键屏障,肩负着水源涵养和补给、生物多样性维持、气候调节以及支撑当地畜牧业生产等重要生态服务功能。然而,2024年来,由于过度放牧、气候变化和不当土地利用等因素的叠加作用,全球高寒草地面临着大规模退化的严峻挑战。这种退化不仅严重威胁到草地生态功能的稳定性,还直接影响到人类和家畜的生存与可持续发展。因此,高寒草地的生态保护与修复,作为一项涉及生态、社会与...
Expanded AI Model with Global Data Enhances Earth Science Applications(图)
Prithvi Geospatial foundation model Data set Model training
2024/12/6
NASA, IBM, and Forschungszentrum Jülich have released an expanded version of the open-source Prithvi Geospatial artificial intelligence (AI) foundation model to support a broader range of geographical...
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Global Media and China(《全球媒体与中国》)由中国传媒大学与传播领域的国际权威出版社——SAGE出版集团合作,是一本全英文的国际学术开源期刊。它以中国传媒与世界研究为主题,以促进相关学术探讨与研究发展为主旨,立足本土,跨越东西,放眼全球,在全球学术界建立中国传媒的国际化研究标杆。
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2024年10月6日-8日,国际消防工程师学会年会(SFPE 2024 Annual Conference & Expo)在美国路易维尔市举行。中国科学技术大学党委宣传部火灾科学国家重点实验室(以下简称“火灾实验室”)博士生夏婷荣获Frederick W. Mowrer Global Scholar奖。
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干旱区约占地球陆地面积的 41%,近几十年来由于全球气候变化和人类活动的影响干旱区面积大幅扩张,了解当前干旱区的气候变化和干旱加剧如何影响植物-土壤系统的全球生物地球化学问题至关重要。因此,亟待一项关于干旱加剧和干旱区扩张对碳储存量、生物多样性丧失和生态系统服务的影响的全面概述。
The Global Ecosystem Dynamics Investigation: High-resolution laser ranging of the Earth’s forests and topography
lidar ecosystem structure GEDI biomass
2024/1/22
Obtaining accurate and widespread measurements of the vertical structure of the Earth’s forests has been a long-sought goal for the ecological community. Such observations are critical for accurately ...
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中国科学院地理科学与资源研究所沈镭、李德龙等在Global Change Biology发表论文揭示植被响应干旱时间尺度的长期变化趋势(图)
沈镭 李德龙 植被响应 干旱时间 尺度 演变 气候
2024/2/26
干旱是造成植被死亡的主要驱动因素之一。在未来气候变化下干旱的强度、持续时间和频率会进一步增加,从而导致更高的森林死亡。目前的植被-干旱耦合研究很大程度上被忽视了植被响应干旱的最佳时间尺度(反映植被对干旱敏感性的一个关键指标),要么考虑了干旱时间尺度但忽略了干旱尺度的时间演变趋势,或考虑了植被-干旱敏感性的时间演变趋势而未能考虑干旱时间尺度的影响。在考虑到过去三十年植被对干旱的最佳响应时间后,植被对...
Thermal Remote Sensing for Global Volcano Monitoring: Experiences From the MIROVA System
thermal remote sensing global volcano monitoring MIROVA MODIS thermal unrest eruption forecasting
2024/1/12
Volcanic activity is always accompanied by the transfer of heat from the Earth's crust to the atmosphere. This heat can be measured from space and its measurement is a very useful tool for detecting v...
Agroforestry to Achieve Global Climate Adaptation and Mitigation Targets: Are South Asian Countries Sufficiently Prepared?
agroforestry South Asia climate change mitigation adaptation policy REDD+ national determined contributions climate neutrality
2024/1/10
Traditional agroforestry systems across South Asia have historically supported millions of smallholding farmers. Since, 2007 agroforestry has received attention in global climate discussions for its c...
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植被物候是生态系统响应气候变化的敏感指标。在全球气候变化背景下,植被物候变化会影响生态系统碳循环及水热平衡过程。作为世界上海拔最高的高原,寒冷干旱的青藏高原植被物候是受温度还是水分主导仍然存在争议。青藏高原有大面积的沼泽湿地分布,沼泽相对充裕的水分条件为进一步揭示这一问题提供了理想的条件。明确青藏高原沼泽植被物候时空变化及对气候变化响应机制,能为预测区域碳循环、揭示植被与气候变化关系提供科学依据。...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars:Global large strong solutions to the 2D radially symmetric compressible Navier-Stokes equations on bounded domain
有界域 二维径向对称 可压缩Navier-Stokes方程 全局大强解
2023/12/11
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Climate Change Risks to Global Forest Health: Emergence of Unexpected Events of Elevated Tree Mortality Worldwide
global forests dynamic global vegetation models forecasting forest assessment remote sensing mortality mechanisms hotter drought
2023/11/30
Recent observations of elevated tree mortality following climate extremes, like heat and drought, raise concerns about climate change risks to global forest health. We currently lack both sufficient d...