Impact of intense rains and flooding on mercury riverine input to the coastal zone
| Autor: | Marta Szubska, Michał Saniewski, Jacek Bełdowski, Dominika Saniewska, Agnieszka Wochna, Karolina Gębka, Magdalena Bełdowska |
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| Rok vydání: | 2018 |
| Předmět: |
010504 meteorology & atmospheric sciences
Oceans and Seas Rain Drainage basin Urban infrastructure chemistry.chemical_element 010501 environmental sciences Aquatic Science Oceanography 01 natural sciences Rivers Snow Coastal zone parasitic diseases Water Movements Seawater 0105 earth and related environmental sciences Hydrology geography geography.geographical_feature_category fungi Flooding (psychology) Mercury Pollution Floods Mercury (element) Flow conditions chemistry Snowmelt population characteristics Environmental science Outflow Poland Water Pollutants Chemical geographic locations Environmental Monitoring |
| Zdroj: | Marine Pollution Bulletin. 127:593-602 |
| ISSN: | 0025-326X |
| DOI: | 10.1016/j.marpolbul.2017.12.058 |
| Popis: | The aim of the present research was to determine the impact of intense rains and flooding on mercury riverine input to the coastal zone. This study focused on four small rivers (Reda, Zagórska Struga, Płutnica, Gizdepka), typical of the Southern Baltic region, with no significant mercury sources. Samples were collected for 16months during average flow conditions and during selected meteorological events: floods, downpours, thaws and droughts. Results showed decreased retention of mercury during intense rainfalls, thus demonstrating mercury elution from the catchment. Floods and melting snow also have a tremendous impact on the outflow of mercury from the catchment. Development of urban infrastructure and farmlands increases the outflow of mercury from the catchment too, making such areas a significant source of mercury in the river. On the other hand, areas with natural character, predominated by forests, stimulate retention of mercury that reaches them through dry and wet atmospheric deposition. |
| Databáze: | OpenAIRE |
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