Results 41 to 50 of about 23,159 (150)
Shuitu Baochi Xuebao, 2017 通过对降雨移动方向上不同雨强和降雨历时的研究，揭示移动降雨坡面产流产沙关系及其变化规律，采用2个降雨移动方向（沿径流向上和向下移动）、2个雨强（1.35，2.75 mm/min）和2个降雨历时（60，120 min）在室内进行模拟移动降雨试验，分析不同降雨移动方向、不同雨强和降雨历时坡面产流产沙特征。结果表明：（1）向上移动降雨，相同历时（相同雨强）条件下，大雨强（长降雨历时）初始产流时间为140 s（240 s），比小雨强（短降雨历时）提前165 s（65 s）。（2）向下移动降雨，雨强越大 ...
张 +5 more
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Conservation Biology, Volume 38, Issue 3, June 2024.Abstract Reintroduced populations are typically considered to progress through establishment, growth, and regulatory phases. However, most reintroduction programs do not monitor intensively enough to test this conceptual model. We studied population indices derived from track activity of 4 threatened species (greater bilby [Macrotis lagotis], burrowing
Katherine E. Moseby +3 more
wiley +1 more source
On the Causes of landslides in Shinkai Village [PDF]
, 2014 This study combines rainfall records, geological surveys, satellite images, and digital terrain model data to explore the possible factors causing landslides in Shinkai.
Chun-Sung Chen +5 more
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Wildlife Letters, Volume 2, Issue 1, Page 17-22, March 2024.Temminck's pangolin faces conservation threats, mainly habitat fragmentation, poaching, and trafficking. The study assessed the ecology, status, and distribution of Temminck's pangolin in Hwange National Park and directly sighted seven specimens. Biotic and abiotic factors influence pangolin distribution inside and outside protected areas.
Kelly Sabashau +4 more
wiley +1 more source
Shuitu Baochi Xuebao, 2023 通过野外微小区原位观测试验,基于降雨过程中降雨的集中时段对2017—2021年34次侵蚀性降雨雨型进行划分,系统分析雨型变化对黄土坡面细沟间侵蚀的影响及坡度效应。结果表明:研究区以前期型降雨为主,占总场次的52%,中期型和后期型降雨各占24%。中期型降雨对总产流量的贡献(25.56%±3.83%)显著低于前期型(36.70%±2.07%)和后期型(37.74%±4.01%)(p中期型>前期型,后期型和中期型降雨显著高于前期型。而降雨的场均产沙量则表现为后期型>前期型>中期型,且后期型降雨显著高于中期型 ...
伍林 +6 more
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Olhar para o outro tal e qual como ele é, é respeitá-lo na sua integridade
, 2023 Num mundo em constante evolução onde todos temos a capacidade de aprender, a Escola deve ser um lugar seguro para todos. A presente investigação decorreu no âmbito da Prática de Ensino Supervisionada integrada no Mestrado em Educação Pré-Escolar e Ensino no 1º Ciclo do Ensino Básico, tendo como objetivo principal educar para a diversidade presente ...
openaire +1 more source
Export of carbon, nitrogen, and phosphorus from forested watersheds in Japan [PDF]
, 2007 "January 2007"--CoverThesis (Ph. D. in Science)--University of Tsukuba, (A), no.
張 朝
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Shuitu Baochi Xuebao, 2018 为了探究人工降雨模拟试验结果的相似性，通过文献数据和观测数据，分析了人工降雨模拟试验与天然降雨小区观测在径流、泥沙方面的差异及其原因，从数值和规律2方面深入讨论了室内模拟降雨试验结果的相似性问题。结果表明：（1）模拟降雨试验弱化了降雨因子对坡面径流和泥沙的影响，且雨强/雨量或降雨侵蚀力越小，模拟试验的相似性越差。（2）模拟降雨试验中产流和产沙随坡度的变化规律明显不同于天然降雨观测情况。（3）在坡面条件和降雨作用相同的情况下 ...
柯奇画, 张科利
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Shuitu Baochi Xuebao, 2020 为研究在长时间降雨侵蚀过程中北京褐土坡面侵蚀特征及其水动力学机制，通过室内人工模拟降雨试验，分别在60，90 mm/h雨强下对褐土坡面进行连续10场次降雨试验，探讨了坡面侵蚀过程中的产流产沙特征及其与水动力学参数间的关系。结果表明：（1）在雨强及次降雨量较一致的条件下，随降雨场次增加坡面次降雨产流量变动较小，而次降雨产沙量变化较大，60，90 mm/h雨强下次降雨产沙量的变异系数为23.94%和59.88%，且第10场降雨的产沙量仅为第1场降雨的59.74%和22.28%；（2）连续降雨条件下 ...
袁和第 +4 more
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