1) soil disintegration rate
土壤崩解速率
2) collapse velocity
崩解速率
1.
The result indicates anti-collapse ability of soil in Xiaojiang River Basin is great;The average collapse velocity of brown soil is bigger than the others.
针对小江流域内不同的土壤类型和土地利用类型,通过实验对小江流域土壤抗崩性进行研究,结果表明:小江流域的土壤具有较大抗崩性,其中棕壤的平均崩解速率最大,黄红壤的平均崩解速率最小;从土地利用的角度看,林草地的平均崩解速率最小,灌丛其次,裸坡的平均崩解速率最大;小江流域土壤的崩解速率与土壤中<0。
3) soil erosion rate
土壤侵蚀速率
1.
According to the experimental scheme,some indexes of soil erosion rate were measured in small arch protection slope,pane protection slope and nature slope.
研究郑州西南绕城高速公路边坡不同土壤保持工程措施,在一定植被盖度(90%、70%、50%、30%、10%)下,不同降雨强度对土壤侵蚀速率的影响。
2.
A study on soil erosion rates in the Three Gorges Reservoir Area by using ~(137)Cs tracing technique,is very important to its soil and water conservation,reasonable use of land resource,improvement of environment and service life of the Three Gorges Reservoir.
本文运用137C s示踪法对三峡库区土壤侵蚀速率进行初步研究,结果表明:研究区137C s的背景值为2 029。
4) soil respiration rate
土壤呼吸速率
1.
Effects of environment factors on soil respiration rate in coastal protective forests;
环境因子对海防林土壤呼吸速率的影响
2.
Measurement of soil respiration rate in different stage and different microhabitat of identical stage was carried out in degeneration vegetation recovery procedure in Huajiang typical karst district of southwest in Guizhou province.
通过对贵州西南部花江典型喀斯特峡谷区退化植被恢复过程中不同阶段及同一阶段不同小生境春季土壤呼吸速率进行了测定。
3.
An analysis on the effect of cultivated grassland on soil respiration rate was conducted for the abandoned land and the transferred farmland in the Ordos Sandy Land Improvement Experimental Station.
在鄂尔多斯沙地改良试验站的撂荒地和退耕地,测定和分析了多年生人工草地对土壤呼吸速率的影响。
5) Soil respiration
土壤呼吸速率
1.
Taking the National Nature Reserve in Wuyi Mountains as experimental site,the seasonal variation and temperature sensitivity of soil respiration under four plant communities along an elevation gradient were studied,with their relations to the main environmental factors analyzed.
以武夷山国家级自然保护区为实验基地,研究了4种不同海拔高度上植物群落土壤呼吸速率的季节变化及其对温度的敏感性,以及与主要环境因子的关系。
2.
Studys on the soil respiration of two plantations will make further know the fine root turnover, carbon cost of two plantations and carbon cycling at stand level.
因此,本研究主要以相同立地条件下落叶松(Larix gmelinii)和水曲柳(Fraxinus mandshurica)人工林为研究对象,主要采用动态红外线气体分析法测定落叶松和水曲柳人工林林地土壤呼吸速率,对两种林地分别进行了施肥处理,通过测定对照和施肥林地的土壤呼吸速率、土壤温度,比较两种林分平均土壤呼吸速率的差异以及林地土壤呼吸速率的季节性变化,探讨土壤温度、林地施肥处理对土壤呼吸速率的影响,并且通过林地日气温(地上2。
3.
Soil respiration is an integrated result of the belowground processes, including soil organic matter, plant roots, soil microbes, and detritus, it has been widely used to evaluate the effects of disturbance on soil carbon pools.
本文以40年生杉木林皆伐火烧后三种更新方式(火烧+人工栽杉、保留采伐剩余物+不栽杉、保留采伐剩余物+人工栽杉,分别以BR、NR和AR代替,下同)及毗邻的相近林龄杉木人工林(对照,CR)为研究对象,研究了皆伐火烧后三种更新方式下土壤呼吸速率及其组分呼吸速率夏季和冬季的昼夜变化,三种更新方式及对照地土壤呼吸速率、异养呼吸速率和自养呼吸速率的季节动态,环境因子(土壤温度、土壤湿度,近地面空气温度、相对湿度)的季节动态以及三种更新方式土壤部分理化指标的动态变化,并分析土壤呼吸速率与其影响因子之间的关系,建立土壤呼吸速率与其影响因子之间的数量关系模型。
6) soil steady infiltration rate
土壤稳渗速率
1.
The results show runoff time has a negative relationship with soil bulk, antecedent soil moisture, slope gradient, rainfall intensity, and different tillage measures; soil steady infiltration rates have a positive relationship with rainfall intensity and tillage measures, and have a negative relationship with soil bulk, antecedent soil moisture, and slope gradient.
发现坡面产流历时与土壤容重、初始含水率、坡度、降雨强度、耕作管理措施呈负相关;土壤稳渗速率与降雨强度、耕作管理措施呈正相关,与土壤容重、初始含水率、坡度呈负相关。
补充资料:土壤水分运动基本方程(见土壤水运动)
土壤水分运动基本方程(见土壤水运动)
turang shuifen yundong iiben土壤水分运动基本方程fangeheng见土壤水运动。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条