预测气候和人类活动对海岸和河口溶解有机物的影响

IF 5.1 2区 地球科学 Q1 LIMNOLOGY
Liz D. Ortiz Muñoz, John S. Kominoski
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引用次数: 0

摘要

河流网络是溶解有机物(DOM)和碳(DOC)从内陆到沿海水域的管道。人类活动和气候变化正在改变DOM的来源,引起影响DOC浓度的水文和生物地球化学变化,改变DOM和DOC的运输和转化。在此,我们综合了目前关于DOM来源、DOC浓度变化以及内陆到沿海梯度运输过程中相关水文和生物地球化学变化的知识,重点研究了对沿海和河口DOM和DOC的影响。我们预计,持续的土地利用变化、水文管理和海平面上升将导致更多的微生物和不稳定的DOM,更高的DOC浓度,以及DOC数量和DOM质量的整体脱钩。了解这些变化如何在河网之间变化,对于预测沿海和河口水质、生态系统健康和全球碳循环至关重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Forecasting climate and human alterations to coastal and estuarine dissolved organic matter
River networks serve as conduits for dissolved organic matter (DOM) and carbon (DOC) from inland to coastal waters. Human activities and climate change are altering DOM sources, causing hydrological and biogeochemical shifts that impact DOC concentrations and changing the transport and transformation of DOM and DOC. Here, we synthesize current knowledge of changing DOM sources, DOC concentrations, and the associated hydrological and biogeochemical changes during transport along inland‐to‐coastal gradients, focusing on impacts to coastal and estuarine DOM and DOC. We project that continued land‐use changes, hydrological management, and sea‐level rise will result in more microbial and labile DOM, higher DOC concentrations, and an overall decoupling of DOC quantity and DOM quality. Understanding how these changes vary among river networks is essential to forecast coastal and estuarine water quality, ecosystem health, and global carbon cycling.
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来源期刊
CiteScore
10.00
自引率
3.80%
发文量
63
审稿时长
25 weeks
期刊介绍: Limnology and Oceanography Letters (LO-Letters) serves as a platform for communicating the latest innovative and trend-setting research in the aquatic sciences. Manuscripts submitted to LO-Letters are expected to present high-impact, cutting-edge results, discoveries, or conceptual developments across all areas of limnology and oceanography, including their integration. Selection criteria for manuscripts include their broad relevance to the field, strong empirical and conceptual foundations, succinct and elegant conclusions, and potential to advance knowledge in aquatic sciences.
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