GSTDTAP  > 气候变化
DOI10.1029/2019GL086088
Detecting Mesopelagic Organisms Using Biogeochemical-Argo Floats
Haentjens, Nils1; Della Penna, Alice2,3; Briggs, Nathan4; Karp-Boss, Lee1; Gaube, Peter2; Claustre, Herve5,6; Boss, Emmanuel1
2020-03-28
发表期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
EISSN1944-8007
出版年2020
卷号47期号:6
文章类型Article
语种英语
国家USA; France; England
英文摘要

During the North Atlantic Aerosols and Marine Ecosystems Study in the western North Atlantic, float-based profiles of fluorescent dissolved organic matter and backscattering exhibited distinct spike layers at similar to 300 m. The locations of the spikes were at depths similar or shallower to where a ship-based scientific echo sounder identified layers of acoustic backscatter, an Underwater Vision Profiler detected elevated concentration of zooplankton, and mesopelagic fish were sampled by a mesopelagic net tow. The collocation of spike layers in bio-optical properties with mesopelagic organisms suggests that some can be detected with float-based bio-optical sensors. This opens the door to the investigation of such aggregations/layers in observations collected by the global biogeochemical-Argo array allowing the detection of mesopelagic organisms in remote locations of the open ocean under-sampled by traditional methods.


Plain Language Summary The largest migration on Earth happens daily when animals migrate to feed on phytoplankton at the surface. They return to the twilight zone at night likely to hide from visual predators. These migrating organisms-zooplankton, fish, squids, and jellyfish-are well studied in some parts of the world's oceans, but their study is limited to the spatial and temporal coverage of ships. At the same time, a network of robots profiling the ocean from the surface to 2,000 m continuously measures the properties of the water at hundreds of locations daily, but so far, they have not been used for detecting migrating organisms. In this study, we show that migrating organisms can be attracted to emitted light by sensors mounted on the profiling robots and produce anomalous signals that can be used to suggest their presence. This method will help study those animals over extended time scales and in remote areas not easily accessible by ships. In addition, it will improve our interpretation of the profiling robots' measurements. Incorporating recently developed instruments, such as underwater cameras, with existing optical sensors could help study some of those organisms living deep in the ocean's interior.


英文关键词BGC-Argo diel vertical migration mesopelagic organism scattering layers
领域气候变化
收录类别SCI-E
WOS记录号WOS:000529097700005
WOS关键词DIEL VERTICAL MIGRATION ; RESEARCH VESSELS ; FISH AVOIDANCE ; CARBON EXPORT ; TWILIGHT ZONE ; OCEAN ; ZOOPLANKTON ; NOISE ; MESOZOOPLANKTON ; MACROPLANKTON
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/279829
专题气候变化
作者单位1.Univ Maine, Sch Marine Sci, Orono, ME 04469 USA;
2.Univ Washington, Appl Phys Lab, Seattle, WA 98105 USA;
3.IUEM, UBO, IRD, UMR 6539,CNRS,Ifremer,Lab Sci Environm Marin LEMA, Plouzane, France;
4.Natl Oceanog Ctr, Southampton, Hants, England;
5.CNRS, UMR 7093, Lab Oceanog Villefranche, Villefranche Sur Mer, France;
6.Sorbonne Univ, Villefranche Sur Mer, France
推荐引用方式
GB/T 7714
Haentjens, Nils,Della Penna, Alice,Briggs, Nathan,et al. Detecting Mesopelagic Organisms Using Biogeochemical-Argo Floats[J]. GEOPHYSICAL RESEARCH LETTERS,2020,47(6).
APA Haentjens, Nils.,Della Penna, Alice.,Briggs, Nathan.,Karp-Boss, Lee.,Gaube, Peter.,...&Boss, Emmanuel.(2020).Detecting Mesopelagic Organisms Using Biogeochemical-Argo Floats.GEOPHYSICAL RESEARCH LETTERS,47(6).
MLA Haentjens, Nils,et al."Detecting Mesopelagic Organisms Using Biogeochemical-Argo Floats".GEOPHYSICAL RESEARCH LETTERS 47.6(2020).
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