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| DOI | 10.3390/w16071057 |
| Water Colour Changes in High-Elevation Alpine Lakes during 2017-2022: A Case Study of the Upper Orco Valley Catchment | |
| 发表日期 | 2024 |
| EISSN | 2073-4441 |
| 起始页码 | 16 |
| 结束页码 | 7 |
| 卷号 | 16期号:7 |
| 英文摘要 | The water resource is severely compromised by climate change, and its availability and quality can no longer be taken for granted, even in places considered pristine, such as mountains. In this study, we evaluated the water colour variability of three artificial mountain lakes located in a relatively small basin (Western Italian Alps) at high elevations, and related this variability to the local climate conditions of the hydrological basin to which they belong. We estimated the dominant wavelength (DW) of lake water from Sentinel-2 acquisitions for the period 2017-2022, performing a chromaticity analysis. We correlated DW with climatic parameters recorded by two automated weather stations. Average DW varies from 497 nm of Serru Lake and Agnel Lake to 512 nm of Lake Ceresole, where DW varies seasonally (variation of 75-100 nm in one year). During April-July, the DW of Lake Ceresole is significative correlated with air temperatures and snow cover (-0.8 and +0.8, respectively). During August-October, the relationship with temperature decreases to -0.5, and a correlation of 0.5 with the amount of rainfall appears. This work shows that mountain lake waters can exhibit variable quality (expressed here by water colour) in response to meteorological and hydrological conditions and events. |
| 英文关键词 | water colour; high-elevation lakes; Sentinel-2; AWS; climate |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology ; Water Resources |
| WOS类目 | Environmental Sciences ; Water Resources |
| WOS记录号 | WOS:001200883300001 |
| 来源期刊 | WATER
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/294990 |
| 作者单位 | Consiglio Nazionale delle Ricerche (CNR); Istituto di Ricerca per la Protezione Idrogeologica (IRPI-CNR); Consiglio Nazionale delle Ricerche (CNR); Istituto Per Il Rilevamento Elettromagnetico Dell'Ambiente (IREA-CNR) |
| 推荐引用方式 GB/T 7714 | . Water Colour Changes in High-Elevation Alpine Lakes during 2017-2022: A Case Study of the Upper Orco Valley Catchment[J],2024,16(7). |
| APA | (2024).Water Colour Changes in High-Elevation Alpine Lakes during 2017-2022: A Case Study of the Upper Orco Valley Catchment.WATER,16(7). |
| MLA | "Water Colour Changes in High-Elevation Alpine Lakes during 2017-2022: A Case Study of the Upper Orco Valley Catchment".WATER 16.7(2024). |
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