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浅议河源山区中职教育发展
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作者 吴业红 《中国现代教育装备》 2010年第16期90-92,共3页
中职教育是我国教育的一个重要组成部分,较其他教育发展相对滞后,存在很大的发展空间。河源山区中职教育取得了很大的成绩,同时存在一些问题,在克服现有困难的同时,要寻求应对方法与新的发展思路。结合河源山区中职发展现状,如何采纳得... 中职教育是我国教育的一个重要组成部分,较其他教育发展相对滞后,存在很大的发展空间。河源山区中职教育取得了很大的成绩,同时存在一些问题,在克服现有困难的同时,要寻求应对方法与新的发展思路。结合河源山区中职发展现状,如何采纳得力的措施更利于中职教育的可持续发展,如何达到更好地宣传中职教育的目的。 展开更多
关键词 河源山区 中职教育 发展 措施
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山区型城市河道生态需水计算方法研究 被引量:3
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作者 荣烨 肖婷婷 《水利科学与寒区工程》 2022年第8期58-60,共3页
本文通过分析山区型城市河道特点及存在的生态问题,结合国内外相关研究的新进展,确定生态需水组成和计算方法;并以贵阳市城区河流为例,分析计算不同控制断面的基本生态需水、河流环境需水和河流景观需水,为之后制定河道生态补水方案、... 本文通过分析山区型城市河道特点及存在的生态问题,结合国内外相关研究的新进展,确定生态需水组成和计算方法;并以贵阳市城区河流为例,分析计算不同控制断面的基本生态需水、河流环境需水和河流景观需水,为之后制定河道生态补水方案、系统提升河流生态质量奠定理论基础。 展开更多
关键词 生态需水 河源山区 城市河道
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Adaptation Management of Mountain Tourism Service: The Case of the Source Regions of the Yangtze and Yellow River 被引量:6
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作者 FANG Yiping QIN Dahe +1 位作者 DING Yongjian YANG Jianping 《Journal of Mountain Science》 SCIE CSCD 2009年第3期299-310,共12页
Mountain areas are often rich in ecological diversity and recreational opportunities. Mountain tourism is thought to be an effective and important means for maintaining and expanding rural economies and, thus, improvi... Mountain areas are often rich in ecological diversity and recreational opportunities. Mountain tourism is thought to be an effective and important means for maintaining and expanding rural economies and, thus, improving the living conditions of rural societies. As mountain tourism service research is a professional field with several disciplines involved, a multi-disciplinary management pIatform is needed and it facilitates participation in sustainable mountain development by diverse stakeholders. With the source regions of the Yangtze and the Yellow River as a case study, this paper presents a conceptual framework for an adaptation management of mountain tourism services according to technical, policy, social and economic dimensions. The framework is based on a vulnerability assessment of mountain ecosystems, and can serve as a reference for the development of tourism service in other mountain areas. 展开更多
关键词 adaptation management mountain tourism service (MTS) source regions of Yangtze and Yellow Rivers China
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Research on Water Resources Conservation of Mountain River Based on the Concept of Region Partition 被引量:4
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作者 LIU Yubang TAO Qingyu +1 位作者 LIANG Chuan WU Yong 《Journal of Mountain Science》 SCIE CSCD 2011年第4期582-591,共10页
Presently concepts and methods related to water resources conservation of mountain rivers are seriously insufficient,and its level is far from being adaptable to the development of a harmonious society.As mountain eco... Presently concepts and methods related to water resources conservation of mountain rivers are seriously insufficient,and its level is far from being adaptable to the development of a harmonious society.As mountain ecosystems play a key role in water resources conservation of mountain rivers,and the characteristics of mountain ecosystems and hydrologic features of mountain river follow strong temporal and spatial distribution,partition theory can be applied to the water resources conservation of mountain river.This theory observes the following partition principles:regional relativity,spatial continuity,integralcounty,meeting management needs,hierarchical principle,and comparability principle.And it lays equal emphasis on both water resources conservation and environmental protection,on both water quality conservation and water quantity protection,on the combination of water features,water cycle and water pollution.In the partition methods,index method and map superposition method will be applied in region partition.The example of region partition of water resources conservation in the upper reaches of the Yangtze River shows that the partition theory is practicable in water resources conservation of mountain rivers,and it provides a platform for future study in water resources conservation. 展开更多
关键词 Water resources conservation Mountain river Region partition Mountain ecosystems
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Sources of dissolved inorganic carbon in rivers from the Changbaishan area, an active volcanic zone in North Eastern China 被引量:2
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作者 Xue Bai Benjamin Chetelat Yilong Song 《Acta Geochimica》 EI CAS CSCD 2017年第3期410-415,共6页
Major elements and carbon isotopes of dissolved inorganic carbon(DIC)have been measured in the waters of Changbaishan mountain,a volcanic area in northeastern China,between June and September 2016 to decipher the orig... Major elements and carbon isotopes of dissolved inorganic carbon(DIC)have been measured in the waters of Changbaishan mountain,a volcanic area in northeastern China,between June and September 2016 to decipher the origin of the CO_2 involved in chemical weathering reactions.Spatial variations of major elements ratios measured in water samples can be explained by a change of the chemical composition of the volcanic rocks between the volcanic cone(trachytes)and the basaltic shield as evidenced by the variations in the composition of these rocks.Hence,DIC results from the neutralization of CO_2 by silicate rocks.DIC concentrations vary from 0.3 to 2.5 mmol/L and carbon isotopic compositions of DIC measured in rivers vary from-14.2‰to 3.5‰.At a first order,the DIC transported by rivers is derived from the chemical weathering’s consumption of CO_2 with a magmatic origin,enriched in^(13)C(-5%)and biogenic soil CO_2 with lower isotopic compositions.The highest δ^(13)C values likely result from C isotopes fractionation during CO_2 degassing in rivers.A mass balance based on carbon isotopes suggest that the contribution of magmatic CO_2 varied from less than 20%to more than 70%.Uncertainties in this calculation associated with CO_2 degassing in rivers are difficult to quantify,and the consequence of CO_2 degassing would be an overestimation of the contribution of DIC derived from the neutralization of magmatic CO_2 by silicate rocks. 展开更多
关键词 Carbon isotopes Dissolved inorganic carbon RIVERS Chemical weathering CHANGBAISHAN Active volcanic zone
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