Erosion–Accumulative Soil Cover Patterns of Dry-Steppe Agrolandscape, Rostov Region

IF 1.4 4区 农林科学 Q4 SOIL SCIENCE
N. B. Khitrov, E. I. Kravchenko, D. I. Rukhovich, P. V. Koroleva
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Abstract

The results of a field study of the erosion–accumulative patterns of the soil cover of a key area in the zone of dark chestnut soils (Kastanozems) are presented, and the information content of multitemporal remote sensing data on the bare soil surface for its identification and mapping is analyzed. The site is located on the Millerovo–Morozovskaya inclined plain within the Don–Donetsk hilly-ridge plain, in Oblivsky district of the Rostov region. The soil cover of the key area is represented by a combination of low-contrasting soils on convex and concave surfaces within an elongated ridge and its slopes, including agro-dark chestnut solonetzic and nonsolonetzic soils, agrozems (washed away soils that have lost the middle-profile xerometamorphic horizon), and stratozems (aggraded soils). The development of this soil cover pattern is determined by a combination of mesorelief landforms and two types of soil-forming rocks. The map of the C coefficient of the multitemporal soil line reveals the heterogeneity of the soil cover related to the activity of erosion/deposition processes. In the key area, three groups of contrasting soil combinations differ significantly in the form of different variations and combinations-variations forming a kind of framework of the soil cover. Combinations of eroded and aggraded soils located between the above three groups of soil combinations significantly differ from their neighbors, but their interpretation has an increased uncertainty.

Abstract Image

罗斯托夫州干草原农业景观的侵蚀-累积土壤覆盖模式
摘要 介绍了对深色栗土(卡斯坦诺泽姆)地带一个关键地区土壤覆盖层侵蚀累积模式的实地研究结果,并分析了裸露土壤表面多时遥感数据的信息含量,以便对其进行识别和绘图。该地点位于罗斯托夫州奥布利夫斯基区顿顿涅茨克丘陵山脊平原内的米勒罗沃-莫罗佐夫斯卡娅倾斜平原上。关键地区的土壤覆盖物是在拉长的山脊及其斜坡上凸面和凹面上的低对比土壤的组合,包括农暗栗色 solonetzic 和 nonsolonetzic 土壤、agrozems(被冲刷掉的土壤,失去了中间轮廓的 xerometamorphic 地层)和 stratozems(侵蚀土壤)。这种土壤覆盖模式的形成是由中伏地貌和两种成土岩石共同决定的。多时土壤线 C 系数图揭示了与侵蚀/沉积过程活动有关的土壤覆盖的异质性。在关键区域,三组对比强烈的土壤组合以不同的变化和组合形式存在显著差异--这些变化构成了土壤覆盖的一种框架。位于上述三组土壤组合之间的侵蚀和侵蚀土壤组合与邻近的土壤组合有显著差异,但其解释的不确定性增加。
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来源期刊
Eurasian Soil Science
Eurasian Soil Science 农林科学-土壤科学
CiteScore
2.70
自引率
35.70%
发文量
137
审稿时长
12-24 weeks
期刊介绍: Eurasian Soil Science publishes original research papers on global and regional studies discussing both theoretical and experimental problems of genesis, geography, physics, chemistry, biology, fertility, management, conservation, and remediation of soils. Special sections are devoted to current news in the life of the International and Russian soil science societies and to the history of soil sciences. Since 2000, the journal Agricultural Chemistry, the English version of the journal of the Russian Academy of Sciences Agrokhimiya, has been merged into the journal Eurasian Soil Science and is no longer published as a separate title.
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