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Landforms characterization of Saudi Arabia: Towards a geomorphological map
International Journal of Applied Earth Observation and Geoinformation ( IF 7.6 ) Pub Date : 2022-08-04 , DOI: 10.1016/j.jag.2022.102945
Khalid A. Almalki , Mobarak S. Al Mosallam , Thamer Z. Aldaajani , Ali A. Al-Namazi

Geomorphological mapping became one of the important aspects of landforms depiction, which has been developed from classical field-based to remotely sensed-based observations with or without ground-truthing over the last few decades. The availability of such data is essential for land-use planning as well as for decision-makers. To that end, we have created a simplified SRTM-based map for Saudi Arabia that integrates geology, soil and vegetation information along with related landform datasets such as stream networks. This effort can be considered as a base-map towards facilitating a comprehensive regional scale geomorphological map for the kingdom in the near future. Nevertheless, the correlation between geological features, soil types, and vegetation cover have revealed qualitative morphology of such features and provide insights into the regional relationship between the topography and the origin or evolution of such features. The results show and confirm that most of the topographic features of the land are mainly associated with previous geological processes. Our findings show that there is a prominent relationship between vegetation cover distribution and soil type. However, the correlation between soil morphology and the geological features is subject to further investigation due to the lack of data, though current observations suggest a combination of climate and tectonic control on soil distribution.



中文翻译:

沙特阿拉伯的地貌特征:走向地貌图

地貌测绘成为地形描绘的重要方面之一,在过去的几十年里,它已经从经典的基于实地的观测发展到基于遥感的观测,无论是否使用地面实测。此类数据的可用性对于土地利用规划以及决策者而言至关重要。为此,我们为沙特阿拉伯创建了一个简化的基于 SRTM 的地图,该地图集成了地质、土壤和植被信息以及相关的地形数据集,例如河流网络。这项工作可以被视为在不久的将来促进王国综合区域尺度地貌图的底图。然而,地质特征、土壤类型、和植被覆盖揭示了这些特征的定性形态,并为了解地形与这些特征的起源或演变之间的区域关系提供了见解。结果表明并证实了陆地的大部分地形特征主要与以前的地质过程有关。我们的研究结果表明,植被覆盖分布与土壤类型之间存在显着关系。然而,由于缺乏数据,土壤形态与地质特征之间的相关性有待进一步研究,尽管目前的观察表明气候和构造对土壤分布的控制相结合。结果表明并证实了陆地的大部分地形特征主要与以前的地质过程有关。我们的研究结果表明,植被覆盖分布与土壤类型之间存在显着关系。然而,由于缺乏数据,土壤形态与地质特征之间的相关性有待进一步研究,尽管目前的观察表明气候和构造对土壤分布的控制相结合。结果表明并证实了陆地的大部分地形特征主要与以前的地质过程有关。我们的研究结果表明,植被覆盖分布与土壤类型之间存在显着关系。然而,由于缺乏数据,土壤形态与地质特征之间的相关性有待进一步研究,尽管目前的观察表明气候和构造对土壤分布的控制相结合。

更新日期:2022-08-05
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