通过人工模拟降雨试验,研究了60%覆盖度城市高羊茅草坪绿地(种草当年)在不同坡度(5°,10°)、不同雨强(30,60,90 mm/h)条件下的产流、产沙过程以及径流携带泥沙的作用机制,并用裸地作为对照,同时定量化分析城市高羊茅草坪绿地的水沙调控作用。结果表明:(1)高羊茅草坪绿地能够有效延缓初始产流时间,但随着雨强及坡度的增加其延缓效果降低,当雨强90 mm/h、坡度10°时草坪绿地几乎没有延缓初始产流时间的效果;(2)各试验条件下高羊茅草坪绿地与裸地产流率差异性显著,但雨强90 mm/h、坡度10 ...
魏小燕, 霍云梅
doaj
植被毯对内蒙古清水河县黄土丘陵沟壑区黄土边坡产流产沙量的影响
黄土丘陵沟壑区地形复杂,坡陡沟深,水土流失严重,为缓解黄土丘陵沟壑区边坡水土流失严重的问题,以内蒙古清水河县段兰窑流域黄土边坡为研究区,采用3种植被毯措施:豆科植物和禾本科植物混播(以下简称豆禾混播)比例为1:1+椰丝毯(L1G1)、豆禾混播比例为1:2+椰丝毯(L1G2)和豆禾混播比例为2:1+椰丝毯(L2G1)在30°,35°,40°和45°边坡设置径流小区,分析该区域不同自然降雨条件和坡度对边坡产流与产沙量的影响。结果表明:(1)铺设植被毯可以有效的减少黄土边坡产流产沙量。(2)当降雨强度为1~5
郭宇 +9 more
doaj
[Indolent γδT-cell clone in Felty syndrome: a case report and literature review]. [PDF]
Wang C, Fu MW, An G, Huang WY, Yang LJ.
europepmc +1 more source
[Research progress on the correlation between Akkermansia muciniphila and cardiovascular diseases]. [PDF]
Jiang S, Gong L, Zheng H.
europepmc +1 more source
[Treatment with interferon α-1b, interleukin-2, and thalidomide for persistent RUNX1::RUNX1T1 in a patient with KIT-mutated acute myeloid leukemia after allogeneic hematopoietic stem cell transplantation: a case report and literature review]. [PDF]
Mi RH +5 more
europepmc +1 more source
[目的] 为探究不同药材及其套种模式对红壤坡地幼龄油茶园水—土—养分流失的影响及其适用性。[方法] 在中药材种植大省江西开展幼龄油茶园径流小区原位观测试验,设置套种地上收获药材艾(YA)、套种地下收获药材郁金+植物篱(YY)、传统水保措施秸秆覆盖+墒沟(YC)、清耕对照(CK),进行逐场次降雨下产流产沙、氮磷流失观测及综合效益评估。[结果] (1)除清耕模式外,所有有保护性措施的模式均显著减少幼龄油茶园水-土-养分流失。与CK相比,YA、YC和YY的减流效应分别为15.22%,67.30%,64.12%,
晏世杰 +4 more
doaj
[Advances in liver transplantation technology]. [PDF]
Zhu ZJ.
europepmc +1 more source
[Guideline for the diagnosis and treatment of chronic myeloid leukemia in China (2025)]. [PDF]
Chinese Society of Hematology +1 more
europepmc +1 more source
[Lung Cancer with Pulmonary Embolism: Evidence-based Progress in Anticoagulation Assessment and Management]. [PDF]
Ma Y, Liu K, Tu C, Xu T, Liu B.
europepmc +1 more source
[Treatment and Prospects of Focal Segmental Glomerulosclerosis]. [PDF]
Deng T +6 more
europepmc +1 more source

