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Ocean-DAS SIGNED

Ocean-Bottom Distributed Acoustic Sensors: new tools for Underwater Seismology

Total Cost €

0

EC-Contrib. €

0

Partnership

0

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 Ocean-DAS project word cloud

Explore the words cloud of the Ocean-DAS project. It provides you a very rough idea of what is the project "Ocean-DAS" about.

coverage    mitigating    resolution    earth    lab    pinpointed    tested    lying    communications    regions    scenarios    rapid    onshore    basically    coast    unmonitored    obs    demonstrator    tsunamis    optoelectronic    lack    location    alternatives    models    nice    seismic    disastrous    monitored    telecommunication    data    poor    spatial    transform    shore    single    worldwide    underwater    fiber    geoazur    oceans    sensor    hence    fibre    itself    optic    will    adoption    thousands    arrays    warning    exported    ocean    cables    telemetry    generally    solution    monitoring    retrofit    idea    methodology    cheaper    sensing    outstanding    postdam    prestigious    span    offshore    environments    laboratories    gfz    biases    seismicity    points    instrumentation    km    remote    greece    interrogated    except    caltech    optical    basic    seismology    deploying    seismological    full    seismometers    expensive    limited    greatest    near    complicated    easily    measuring    sparsity    cable    tomography    installation    suitable    life    powerful    global    inexistent    one    battery    deployable   

Project "Ocean-DAS" data sheet

The following table provides information about the project.

Coordinator
UNIVERSIDAD DE ALCALA 

Organization address
address: PLAZA DE SAN DIEGO
city: ALCALA DE HENARES/MADRID
postcode: 28801
website: www.uah.es

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Spain [ES]
 Total cost 0 €
 EC max contribution 150˙000 € (0%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2019-PoC
 Funding Scheme ERC-POC-LS
 Starting year 2020
 Duration (year-month-day) from 2020-01-01   to  2021-06-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSIDAD DE ALCALA ES (ALCALA DE HENARES/MADRID) coordinator 150˙000.00

Map

 Project objective

One of the greatest outstanding challenges in seismology is the sparsity of instrumentation across Earth’s oceans. Poor spatial coverage results in biases and low-resolution regions in global tomography models as well as significant location uncertainty for offshore seismicity. Also, the lack of significant seismic instrumentation offshore makes it more complicated to have reliable early warning systems capable of mitigating some of the disastrous consequences of tsunamis. Ocean-bottom seismometers (OBS) are indeed available, but they are generally very expensive and limited by rapid data telemetry and battery life except in near-shore environments. The aim of this proposal is to provide a low-cost deployable solution (basically inexistent so far) for monitoring seismicity in remote areas of the ocean. The idea would be to retrofit existing telecommunication optical fiber cables lying in the ocean and transform them (with no basic change in the cable itself) into powerful seismic sensing arrays. With a single optoelectronic unit in the end of the cable (onshore), a full span of 50 km or more could be monitored, with thousands of measuring points interrogated. The proposed solution would be much cheaper than current alternatives and could easily allow deploying a large number of these sensor arrays, particularly in currently unmonitored areas. Moreover, all the fibre-optic cables used worldwide for communications are suitable for our proposed sensor, hence the same installation methodology could be exported to a large number of scenarios. The proposed solution has been pinpointed by prestigious seismology laboratories worldwide (Caltech Seismology Lab, GFZ Postdam, GeoAzur Nice) as a system with a great potential for adoption in the seismological field. A suitable demonstrator will be developed along the project and will be field tested in collaboration with GeoAzur Nice, in an underwater cable in the coast of Greece.

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The information about "OCEAN-DAS" are provided by the European Opendata Portal: CORDIS opendata.

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