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- 01HRN14662WWH0FTE412MREXB7 classification C3.
- 01HRN14662WWH0FTE412MREXB7 date "2023".
- 01HRN14662WWH0FTE412MREXB7 language "eng".
- 01HRN14662WWH0FTE412MREXB7 type conference.
- 01HRN14662WWH0FTE412MREXB7 hasPart 01J1CEJDTVPVK5KQY9CJHY7K2C.pdf.
- 01HRN14662WWH0FTE412MREXB7 subject "Biology and Life Sciences".
- 01HRN14662WWH0FTE412MREXB7 subject "Technology and Engineering".
- 01HRN14662WWH0FTE412MREXB7 doi "10.48470/41".
- 01HRN14662WWH0FTE412MREXB7 issn "1377-0950".
- 01HRN14662WWH0FTE412MREXB7 presentedAt urn:uuid:0b061c22-415d-4ff0-8029-347d4ee93c01.
- 01HRN14662WWH0FTE412MREXB7 volume "90".
- 01HRN14662WWH0FTE412MREXB7 abstract "The ocean’s biological carbon pump (BCP) represents the flux of biogenic carbon from the surface to the deep ocean and exerts an important control on atmospheric CO2 levels and global climate. This pump is fueled by processes of photosynthesis and calcification in the surface ocean, respectively generating particulate organic and inorganic carbon, POC and PIC. Part of these carbon particles will then sink to the deep ocean and ultimately to the seafloor, where it can be stored out of contact with the atmosphere on geological time scales. The differentiation between PIC and POC is crucial as the downward fluxes of POC and PIC have opposing effects on the ocean’s capacity to remove CO2 from the atmosphere. Recent technological advances have enabled to observe the BCP from robotic ocean profilers equipped with bio-optical sensors. At present, around 500 of these so-called BioGeoChemical-Argo profilers operate between the surface ocean and the bottom of the twilight zone that is roughly 1000 m deep, providing biogeochemical observations at unprecedented time and space scales. However, no autonomous sensor currently exists to estimate PIC, hampering our understanding of and ability to estimate the magnitude of the biological carbon pump. Here, we provide a proof-of-concept for the autonomous measurement of PIC with a cross-polarized beam transmissometer that measures the depolarization of forward-scattered light induced by the birefringence of PIC. We built a prototype PIC sensor in the lab and set up cultures for various types of calcifying phytoplankton. Our results demonstrate the relationship between light depolarization and the concentration of PIC in seawater over a large dynamic range. Next, PIC sensors will be integrated onto BioGeoChemical-Argo profiling floats for robotic monitoring of the BCP in various parts of the world’s oceans.".
- 01HRN14662WWH0FTE412MREXB7 author F43B244E-F0ED-11E1-A9DE-61C894A0A6B4.
- 01HRN14662WWH0FTE412MREXB7 author F43C351E-F0ED-11E1-A9DE-61C894A0A6B4.
- 01HRN14662WWH0FTE412MREXB7 author F68DA078-F0ED-11E1-A9DE-61C894A0A6B4.
- 01HRN14662WWH0FTE412MREXB7 author F8224EDE-F0ED-11E1-A9DE-61C894A0A6B4.
- 01HRN14662WWH0FTE412MREXB7 author FBB04470-F0ED-11E1-A9DE-61C894A0A6B4.
- 01HRN14662WWH0FTE412MREXB7 author bc928c7b-4546-11ea-96ce-d8b60b26a608.
- 01HRN14662WWH0FTE412MREXB7 author d3022f3f-9335-11eb-a808-8e97fc519a0f.
- 01HRN14662WWH0FTE412MREXB7 author urn:uuid:3b2cab2d-6e28-4f8c-9b87-0a9ae390c11b.
- 01HRN14662WWH0FTE412MREXB7 author urn:uuid:680f9b4f-f10b-4252-871b-48e1b66e2df2.
- 01HRN14662WWH0FTE412MREXB7 author urn:uuid:88700c51-79f5-4294-9041-feec31578316.
- 01HRN14662WWH0FTE412MREXB7 author urn:uuid:cb39364b-9bb6-4b96-ba5b-e74f658101db.
- 01HRN14662WWH0FTE412MREXB7 dateCreated "2024-03-10T20:33:32Z".
- 01HRN14662WWH0FTE412MREXB7 dateModified "2024-10-29T19:12:21Z".
- 01HRN14662WWH0FTE412MREXB7 name "An optical sensor or autonomous detection of particulate inorganic carbon concentration in seawater".
- 01HRN14662WWH0FTE412MREXB7 pagination urn:uuid:f910b220-8ed3-4b90-9047-4b0be757dd86.
- 01HRN14662WWH0FTE412MREXB7 publisher urn:uuid:4d84c129-e91b-4e78-98fb-bb33face22ff.
- 01HRN14662WWH0FTE412MREXB7 sameAs LU-01HRN14662WWH0FTE412MREXB7.
- 01HRN14662WWH0FTE412MREXB7 sourceOrganization urn:uuid:3e665c28-372b-48af-b557-a034c950ffae.
- 01HRN14662WWH0FTE412MREXB7 sourceOrganization urn:uuid:94836988-9964-468e-8cc4-6bd03cf7adc0.
- 01HRN14662WWH0FTE412MREXB7 type C3.