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The structure of an earth-mound field of the Brazilian Savanna
Geomorphology ( IF 3.1 ) Pub Date : 2021-04-24 , DOI: 10.1016/j.geomorph.2021.107752
Jepherson Correia Sales , Guilherme Taitson Bueno , Vânia Rosolen , Manuel Eduardo Ferreira , Lucas Moreira Furlan

The campos de murundus (literally “mound fields”) are intriguing landscapes composed of earth-mounds. These microreliefs occur in transition areas between the plateau and hydromorphic areas of the Brazilian Savanna. Several studies have analyzed the morphology of murundus to understand its genesis. However, the pattern of spatial distribution of these mounds still needs detailed analyses. This study aims to analyze the structural and morphometric characteristics of a mound field and to raise considerations about the genesis of the studied murundus field. The research was conducted using a high-precision unmanned aerial vehicle (UAV) and images from orbital satellites. Spectral and morphometric data of the study area were manipulated in a Geographic Information System (GIS) environment and analyzed using descriptive and clustering techniques. The results show that the mound field presents an ordered distribution of the earth-mounds.



中文翻译:

巴西大草原的土丘结构

坎波斯DE murundus(字面意思是“冢田”)是地球土堆组成的有趣景观。这些微浮雕发生在巴西热带稀树草原的高原和水溶区域之间的过渡区域。几项研究已经分析了murundus的形态,以了解其起源。但是,这些土丘的空间分布模式仍需要详细分析。这项研究旨在分析一个丘陵场的结构和形态特征,并提出关于所研究的棕沙的成因的考虑。场地。这项研究是使用高精度无人飞行器(UAV)和来自轨道卫星的图像进行的。研究区域的光谱和形态数据在地理信息系统(GIS)环境中进行处理,并使用描述性和聚类技术进行分析。结果表明,土堆场呈现出土堆的有序分布。

更新日期:2021-04-30
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