Microplastic concentrations in riverine environments of Hanoi, Northern Vietnam. COMPOSE (2019-2021) and CounterMEASUREII (2021-2022) projects

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Duong, Thi Thuy; Le, Thi Phuong Quynh; Le, Nhu Da; Nguyen, Thi Nhu Huong; Strady, Emilie, 2020, "Microplastic concentrations in riverine environments of Hanoi, Northern Vietnam. COMPOSE (2019-2021) and CounterMEASUREII (2021-2022) projects", https://doi.org/10.23708/U3BHCW, DataSuds, V4, UNF:6:uDgRVRVDEje/i/qErDxcFg== [fileUNF]
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Description
Microplastic (300-5000µm) concentrations were measured in the Red River, the Nhue River (upstream, middle stream and downstream), the To Lich River and the Day River of Hanoi, Northern Vietnam, under the COMPOSE project (2019-2021) and the CounterMEASUREII project (2021-2022).

Microplastic were sampled using a 80µm mesh size net from a local boat. The samples were extracted in the laboratory using enzymatic digestion, NaCl density separation and were filtrated on GF-A filter. Then microplastic were observed on stereomicroscope and length, area, color were measured for fragments, line and circle. Concentrations are given in total microplastic per m3, fragment per m3 and fibers per m3.

The sampling dates are October 2019, January 2020, July 2020, October 2020, January 2021 and March 2021 under COMPOSE Project; November 2021 and January 2022 under the CounterMEASUREII project.
Subject Earth and Environmental Sciences
Keyword microplastic, fragment, fiber, Red River, Nhue River, To Lich River, Day River
Related Publication Strady, E. et al. (2021) « Baseline assessment of microplastic concentrations in marine and freshwater environments of a developing Southeast Asian country, Viet Nam », Marine Pollution Bulletin. Elsevier BV. doi: 10.1016/j.marpolbul.2020.111870
Notes COMPOSE project "Creating an Observatory for Measuring Plastic Occurrences in Society and Environment" is funded by French Ministry of Europe and Foreign Affairs and is implemented by French Embassy in Vietnam and IRD.
https://www.diplomatie.gouv.fr/fr/politique-etrangere-de-la-france/diplomatie-scientifique-et-universitaire/la-cooperation-bilaterale/

CounterMEASURE project works to identify sources and pathways of plastic pollution in river systems in Asia, particularly the Mekong and the Ganges.
CounterMEASURE is managed by the UN Environment Programme Regional Office for Asia and the Pacific. CounterMEASURE is funded through the generous support of the Government of Japan.
https://countermeasure.asia/about/

Data type: Survey data
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Microplastic_data_dictionary_Hanoi_province_rivers.txt
Microplastic/Plain Text - 2.0 KB
Published Mar 7, 2022
22 Downloads
MD5: c72bdf3cf02472e8d08853d9bd8a487c
Data dictionary
Documentation
Microplastic_HN_DU_202111_W.tab
Microplastic/Tabular Data - 27.4 KB
Published Mar 7, 2022
20 Downloads
22 Variables, 530 Observations UNF:6:WwBMQvmE+nEU5aOj4WtcBw==
Hanoi province - Day River site (N21°3'49; E105°38'43); Day River; water. November 2021.
Data
Microplastic_HN_DU_202201_W.tab
Microplastic/Tabular Data - 28.3 KB
Published Oct 3, 2022
12 Downloads
22 Variables, 530 Observations UNF:6:oqZ5IX/9nrd3u1UNGed/TA==
Hanoi province - Day River site (N21°3'49; E105°38'43); Day River; water. January 2022.
Data
Microplastic_HN_ND_202111_W.tab
Microplastic/Tabular Data - 30.0 KB
Published Mar 7, 2022
19 Downloads
22 Variables, 530 Observations UNF:6:6TwkVXObpyweAbh1STV3gg==
Hanoi province - Nhue River downstream site (N20°55'44.99; E105°48'7.10); Nhue River; water. November 2021.
Data
Microplastic_HN_ND_202201_W.tab
Microplastic/Tabular Data - 54.1 KB
Published Oct 3, 2022
12 Downloads
22 Variables, 530 Observations UNF:6:UB1qGg7l+87a2io1KZNjfw==
Hanoi province - Nhue River downstream site (N20°55'44.99; E105°48'7.10); Nhue River; water. January 2022.
Data
Microplastic_HN_NM_202111_W.tab
Microplastic/Tabular Data - 28.0 KB
Published Mar 7, 2022
19 Downloads
22 Variables, 530 Observations UNF:6:1556uZjuAol284MH3f9gEw==
Hanoi province - Nhue River middle stream site (N20°58'15; E105°46'56); Nhue River; water. November 2021.
Data
Microplastic_HN_NM_202201_W.tab
Microplastic/Tabular Data - 38.8 KB
Published Oct 3, 2022
11 Downloads
22 Variables, 530 Observations UNF:6:vAPZQ1xtwrxKFFgo3aoVyA==
Hanoi province - Nhue River middle stream site (N20°58'15; E105°46'56); Nhue River; water. January 2022.
Data
Microplastic_HN_NR_201910_W.tab
Microplastic/Tabular Data - 220.7 KB
Published Jan 18, 2021
27 Downloads
34 Variables, 2560 Observations UNF:6:vtt02d3uvDbAzMpaZfD6fQ==
Hanoi province - Nhue River site (N20°55'44.802; E105°48'7.167); Nhue River; water. October 2019.
Data
Microplastic_HN_NR_202001_W.tab
Microplastic/Tabular Data - 308.5 KB
Published Aug 13, 2020
30 Downloads
34 Variables, 2560 Observations UNF:6:TtUr7PejVx7T3dzLXLgkUw==
Hanoi province - Nhue River site (N20°55'44.802; E105°48'7.167); Nhue River; water. January 2020.
Data
Microplastic_HN_NR_202007_W.tab
Microplastic/Tabular Data - 216.5 KB
Published Oct 3, 2022
11 Downloads
34 Variables, 2560 Observations UNF:6:i6w8E7iK0lzWwTPmiBnXPQ==
Hanoi province - Nhue River site (N20°55'44.802; E105°48'7.167); Nhue River; water. July 2020.
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