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standardization of environmental data and information - International ...

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Discipline Category Parameter Methods/Equipment<br />

Biology<br />

(cont.)<br />

Physics<br />

Air<br />

Water<br />

column<br />

Chemistry<br />

Water<br />

column<br />

Benthos (cont.) Biochemical analysis Total biomass (adenosine<br />

triphosphate [ATP]) – measuring<br />

luminescence by luminometer<br />

Protein, lipid, carbohydrate (CHO)<br />

estimated using<br />

spectrophotometric techniques<br />

Meteorological<br />

observation<br />

Hydrographic<br />

<strong>data</strong><br />

Seawater<br />

chemistry<br />

Air pressure,<br />

temperature, relative<br />

humidity, wind speed,<br />

sunshine <strong>and</strong><br />

duration, <strong>and</strong> net<br />

radiation<br />

Temperature <strong>and</strong><br />

salinity<br />

Benthic currents<br />

Light transmission<br />

Dissolved oxygen<br />

Eh<br />

ph<br />

Alkalinity<br />

Nutrients (nitrate,<br />

nitrite, silicate)<br />

Dissolved trace metals<br />

Automatic weather station<br />

containing sensors<br />

Data on temperature <strong>and</strong> salinity<br />

obtained through hydrocasts,<br />

conductivity-temperature-depth<br />

(CTD) measurement, expendable<br />

bathythermographs (XBTs) <strong>and</strong><br />

expendable CTD probes (XCTDs)<br />

Self-recording current meters<br />

moored to obtain <strong>and</strong> record<br />

vector-averaged speed <strong>and</strong><br />

direction <strong>of</strong> currents, temperature,<br />

conductivity <strong>and</strong> pressure<br />

Transmissometer attached to<br />

mooring systems<br />

Winkler’s titration method<br />

Analyzed by digital pH/millivolt meter<br />

with platinum electrode<br />

Multiwavelength spectrophotometry<br />

using cresol red<br />

Multiwavelength spectrophotometry<br />

using bromocresol green<br />

Autoanalyzer<br />

APDC-MIBK extraction followed by<br />

instrumental analysis (graphitefurnace<br />

atomic absorption<br />

spectroscopy [AAS])<br />

534<br />

INTERNATIONAL SEABED AUTHORITY

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