Man-made Changes of the Relief Due to the Mining Activities within Husnicioara Open Pit (Mehedinţi County, Romania)
| Autor: | Emil Marinescu, Sandu Boengiu, Oana Ionuş |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Landscape changes
geography geography.geographical_feature_category 010504 meteorology & atmospheric sciences business.industry Geomorphological system Context (language use) Spoil tip Excavation 010501 environmental sciences Husnicioara 01 natural sciences Normalized Difference Vegetation Index Open pit Mining engineering General Earth and Planetary Sciences Coal Extraction (military) business Geology 0105 earth and related environmental sciences General Environmental Science |
| Zdroj: | Procedia Environmental Sciences. 32:256-263 |
| ISSN: | 1878-0296 |
| DOI: | 10.1016/j.proenv.2016.03.030 |
| Popis: | Depending on the relief, the technological process for lignite extraction from Husnicioara open pit uses 2 or 3 excavation steps of the mine waste deposits that lie over the coal strata (I+IV); first, the mining waste is deposited in the outer spoil tip and then in the inner tip, followed by coal excavation on another step. So far, the mining activities have affected 3.5 sqkm, including part of the Lunga and Lacului Valleys, and Faţa Lacului and Padurea Dumbrava hills. The area of the mining exploitation is an artificial space that functions according to new rules. Consequently, the study attempts to identify the man-made changes of the relief due to the mining activities using field measurements, Landsat satellite images and NDVI index. The results reveal that the lignite exploitation implies the dislocation, relocation and storage of materials, which has caused a significant change of the local geomorphological context, leading to the construction of some anthropic structures such as cavities and prominent relief forms. |
| Databáze: | OpenAIRE |
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