Odkud připlouvají plasty do oceánů? - GISportal.cz
Nedávno médii proběhla zpráva o prozatím neúspěšných snahách společnosti The Ocean Cleanup čistit oceán od plastového odpadu pomocí sběrného ...
interaktivní mapu
Už v roce 2017 se nizozemská nevýdělečná společnost The Ocean Cleanup přesvědčila, že přesně lokalizovat zdroj znečištění oceánů plasty je velmi obtížné a těžce předpovídatelné. Přitom však zjistit původ zdroje znečištění je klíčovou úlohou, která může být pro „čistou“ budoucnost užitečnější než čištění samotné. Nemá přece velký význam uklízet tam, kam plasty stále rostoucím tempem připlouvají. Už v té době společnost vydala vedle článku také <anchor>interaktivní mapu</anchor> zobrazující znečištění jednotlivými světovými řekami. Zjištěno tehdy bylo, že z řeky ročně přináší do oceánu mezi 1,15 a 2,41 miliony tun plastového odpadu a že dvě třetiny tohoto odpadu pocházejí z 20 nejvíce znečištěných řek světa.
River Plastic Pollution Sources | The Ocean Cleanup
River Plastic Pollution Sources \| The Ocean Cleanup

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[The Ocean Cleanup](https://theoceancleanup.com/rivers/) [Return to The Ocean Cleanup](https://theoceancleanup.com/)

# River plastic emissions to the world’s oceans

Rivers are a major source of plastic waste in the oceans. We estimate that 1000 rivers, represented by the red dots, are accountable for nearly 80% of global annual riverine plastic emissions, which range between 0.8 – 2.7 million metric tons per year, with small urban rivers amongst the most polluting. The remaining 20% of plastic emissions are distributed over 30,000 rivers, represented by smaller blue dots.

Our findings displayed in this map have been published in the journal [Science Advances](https://advances.sciencemag.org/content/7/18/eaaz5803). The point file that contains the locations of the rivers and their modeled plastic emissions can be downloaded from [figshare](https://figshare.com/articles/dataset/Supplementary_data_for_More_than_1000_rivers_account_for_80_of_global_riverine_plsatic_emissions_into_the_ocean_/14515590). The results can assist others in prioritizing, developing, and implementing mitigation measures and strategies.

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The Ocean Cleanup has developed Interceptor solutions, including the Interceptor™, to help combat river plastic entering the world’s oceans.

Working together with government leaders, private corporations, and the scientific community, we aim to tackle these 1000 most polluting rivers, offering our technology, experience, knowledge and network.

Our new model approach includes geographically distributed data on plastic waste, land use, wind, precipitation, and rivers. The updated model then calculates the probability for plastic waste to reach a river and subsequently the ocean.

This probabilistic approach highlights regions that are likely to emit plastic into the ocean. Combined with mismanaged plastic waste, displayed in this map, our model predicts plastic emissions for each river. Detailed information on our modeling approach and data will follow in our scientific update.

* * *

#### Share this map

Please help us spread the mission of clean oceans by sharing this map or sharing a specific river of interest to you. Simply click on a red dot, and a menu will open.

* * *

This work is licensed under a Creative Commons Attribution – Non Commercial – NoDerivs 3.0 Unported License. This means you can blog, link, like, share and tweet as much as you like but can’t change or use the work commercially.

Start exploring


Right click or drag with two fingers to change the angleClick/tap and drag to pan the mapScroll or double tap to zoom[Visit The Ocean Cleanup website](https://theoceancleanup.com/ "Visit The Ocean Cleanup website")

38 kg
of plastic has entered the ocean since you started looking at this page


Top 1000 river inputsRiver inputsRivers1e+0510000Mismanaged plastic waste generation rates in kg/km²/year (color scale)

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