成土过程

研究发现，深厚黑土主要分布于黑土区北部，中厚与薄层黑土则分别集中在黑土区的中部和南部，这主要与黑土分布区的气候条件和黑土的成土过程有关。

It was found that the humus layer in black soil region was thick in north and thin in south , which was due to the climatic condition and soil-forming process .

现今出露于中国北方地表的红色土壤是在红色古土壤和红色古风化壳上发育的，而且大多经历了不连续的成土过程。

In north of China , Latosol-like soils which were exposed to the earth 's surface were developed from red Paleosol and red paleo-weathered crust . Most of them were experienced discontinuous soil-forming process .

碳酸盐岩风化成土过程中REE超常富集及Ce强烈亏损的地球化学机理

Formation mechanism of the superhigh concentration of REE and the strong negative Ce anomalies in the carbonate rock weathering profiles in Guizhou Province , China

研究结果表明，Ti、Nb和Ta元素在整个风化成土过程中基本上保持了它们的稳定性。

The results show that elements Ti , Nb and Ta keep immobile during weathering and pedogenesis whereas Zr , Hf and Th are pronounced enrichment in the upper part of the weathering profile .

根据红壤成土过程中的元素迁移模型，本文初步求解了云南北部山原红壤成土过程中的硅迁移强度值（Px），并对不同海拔高程上的山原红壤发育年龄进行了计算。

According to model of element removing in red earth forming process , removing intensity value ( px ) in mountain red earth process and formational ages of the mountain red earthes in various elevation belts have been calculated in the north part of Yunnan province 9 China .

多数元素在成土过程中富集；

Most elements were relatively enriched in soil forming process .

黄土风化成土过程中主要元素迁移序列

The migration series of major elements during loess PEDOGENESIS

试论中国淋溶土的成土过程与基本特性

Pedogenic processes and characteristics of ALFISOLS in China

岩石风化成土过程中元素均一化作用及机理：以大兴安岭北部火山岩区为例

Elemental homogenization during weathering and pedogenesis of volcanic rocks from North Da Hinggan Ling

黄土高原古土壤成土过程的特异性及发生学意义

Peculiarities in soil-forming processes of Paleosols in the Loess Plateau and their pedogenic implication

我国红壤现代成土过程和发育年龄的初步研究

A study on recent pedogenic process and its developing age of red soils in China

这种区别是由于古成土过程中水分运行方式的不同造成的。

It was caused by the different water migrating patterns during the paleo pedogenetic processes .

潮土和脱潮土的磁化率则随质地层次不同而变化。土壤磁化率的大小与母质类型及成土过程有关；

The soil magnetic susceptibility was related to the types of parent materials and soil-forming processes .

主要研究了渭南黄土剖面中主要化学组分的分布特征、影响因素以及它们在风化成土过程中的迁移富集规律。

Loess samples from the Weinan loess section were studied for chemical composition and major ele-ment distribution .

成土过程的强度均是在海岛低于同纬度相邻的陆域土壤。

The intensity of pedogenic processes is weaker in island than in mainland with the same latitude .

在风化和成土过程中，存在特殊稀土的活化分异现象。

In the process of weathering and pedogenesis , there exists a phenomenon of differentiation by activation of special REE .

它们主要来源于母质，其次来自成土过程，降尘输入量极有限。

These clay minerals mainly come from parent material , a few from pedogenic processes , and dust input is minute .

总之，残积红粘土是一种特殊的土，其强度特征与成土过程中形成的结构强度密切相关。

So residual laterite is a special kind of clay with its strength closely related to structual strength in the laterite formation .

这些化学参数与磁化率曲线可以进行对比，表明成土过程中元素的迁移变化受全新世以来气候变化和成壤环境变化的控制。

Comparison of these chemical parameters with magnetic susceptibility showed that transference of these elements was mainly controlled by the Holocene climate .

在西南高山林区，树种与下木对土壤形成有重要作用，主要成土过程为酸性淋溶与腐殖化过程。

In the high-mountain forest region of Southwest China , the major soil forming processes are eluviation ( acid leaching ) and humification .

对大兴安岭北部区域性中生代火山岩和残积土壤化学成分的研究结果表明，岩石风化成土过程中元素存在明显的均一化作用。

Chemical compositions of regional volcanic rocks and residual soil in North Da Hinggan Ling are studied , and elemental homogenization is recognized during weathering and pedogenesis of the volcanic rocks .

指出了喀斯特红土化作用在原始卡林型金矿风化成土过程中对红土型金矿形成的影响。

It is indicated that the karst lateritization to influence on formation of the lateritic gold deposit has been formed in the process of weathering and soil-formed of original carlin-type gold deposits .

不同时代古土壤成土过程水作用方式的这种差异，是由降水量、尘降速率等环境因素的改变引起的，在黄土高原具有普遍性。

The variations of the paleosols ' morphological features , which are common in the Loess Plateau , were caused by the changes of environmental factors , mainly precipitation and dust accumulation rate .

本文通过综合运用粒度分析、矿物成分分析、化学成分分析、磁化率分析、孢粉分析等手段，揭示赣南地区第四纪红土的沉积方式以及红土的成土过程。

In this paper , the Quaternary red clay sedimentary characteristics were analyzed , making comprehensive use of particle size analyse , mineral composition , chemical composition , magnetic susceptibility , sporo-pollen analyse and so on .

南极海洋性气候土壤形成过程中具有明显的有机质积累作用，有机质对成土过程和土壤性状产生重要影响，如土壤酸化、有机-金属螯合物的形成和生物成矿现象。

Significant accumulation of soil organic matter play an important role in shaping soil characteristics during soil-forming processes in the maritime Antarctic , e.g. in soil acidification , podzolization , formation of metallo-organic compounds and biogenetic minerals .

地形的复杂多变性不仅影响水、肥、气、热的分布状况，而且影响土壤的成土过程，不同的地形和位置，土壤的物理和化学性质也不一样。

The complexity and flexibility of terrain not only affect the distribution of water , fertilizer , gas heat , but also the soil-forming process . The physical and chemical properties of soil are different according to various terrain and location .

由于母质本身贫乏、成土过程较弱以及比重差异使蒙脱石有独特的搬运与沉降行为，共同造成土壤中缺乏蒙脱石。

There exists no montmorillonite in all samples because of lacking it in parent material , weak pedogenic processes which can not form it , and specific gravity difference from other clay minerals which causes different behaviors of transportation and deposition .

土地利用变化引起的土壤耕种、栽培、施肥和排灌制度的变化，改变着土壤成土过程，从而对土壤发生层质量演化产生直接影响。

The changes in soil tillage , cultivation , fertilization , irrigation and drainage activities related to land use may make some pedogenetic processes disappeared and bring in other new processes which will affect the soil quality and soil genetic layers directly .

从地球化学角度考虑，我国华南地区水源低氟的原因：①氟在风化-成土过程中已达较强烈淋溶；

Considering from the viewpoint of geochemistry , the reason for low flourine content in water resources in south-east China lies on : ( 1 ) the heavy leaching of flourine during the process of the , weathering of granite into soils .

因此，岩石风化成土过程中矿质元素的行为与环境质量研究有助于我们深入了解矿质元素的生物地球化学循环及其生态环境效应，同时对农业生产和环境保护也具有重要意义。

Therefore , it is helpful for our learning biogeochemical cycling of mineral elements and its ecological and environmental effects , and of great importance for agricultural production and environmental protection to study behavior of mineral elements during weathering and pedogenesis of rocks and environmental quality .