Isotopic composition of deuterium in precipitations, by monitoring station
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Determination of isotopic content of Deuterium in precipitations. The main objective of the systematic collection of isotopic data contained in precipitations is to determine in temporal and spatial form the variation of environmental isotopes for use in hydrological and environmental research for plans relating to the exploitation, development, and management of water resources. The isotopic content is determined by two factors. The first is evaporation, which is due to the higher vapor pressure of light molecules. These molecules preferentially escape to the atmosphere when water evaporates, thus the wastewater undergoes enrichment in heavy isotopes, giving less negative d values. The other factor is altitude (latitude), which is related to the atmospheric temperature. It causes the precipitations that take place at higher levels to present lower concentrations of heavy isotopes (isotopically lighter waters, with greater negative values of d) (Source: INE-CCHEN).

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Subdepartment of Environment Statistics - National Statistics Institute

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Chilean Nuclear Energy Commission (CCHEN)

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Chilean Nuclear Energy Commission (CCHEN)

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Annual

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Administrative record

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Subdepartment of Environment Statistics - National Statistics Institute

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Annual

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Delta per thousand (?0/00)

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Isotopic composition of deuterium in precipitations, by monitoring stationAbstract

Determination of isotopic content of Deuterium in precipitations. The main objective of the systematic collection of isotopic data contained in precipitations is to determine in temporal and spatial form the variation of environmental isotopes for use in hydrological and environmental research for plans relating to the exploitation, development, and management of water resources. The isotopic content is determined by two factors. The first is evaporation, which is due to the higher vapor pressure of light molecules. These molecules preferentially escape to the atmosphere when water evaporates, thus the wastewater undergoes enrichment in heavy isotopes, giving less negative d values. The other factor is altitude (latitude), which is related to the atmospheric temperature. It causes the precipitations that take place at higher levels to present lower concentrations of heavy isotopes (isotopically lighter waters, with greater negative values of d) (Source: INE-CCHEN).

Contact person/organisation

Subdepartment of Environment Statistics - National Statistics Institute

Juan Roblesmailto:jrrobless@ine.gob.clData source(s) used

Administrative record

Name of collection/source

Chilean Nuclear Energy Commission (CCHEN)

Direct source

Chilean Nuclear Energy Commission (CCHEN)

Source Periodicity

Annual

Source metadata

Metadata R00001030https://www.ine.cl/docs/default-source/variables-basicas-ambientales/metadatos/fichas/transversal-respuesta/r00001030.pdf?sfvrsn=42242b35_2?len=enDate last input received

-

Unit of measure used

Delta per thousand (?0/00)

Power code

-

Variables collected

-

Sampling

-

Periodicity

Annual

Reference period

-

Base period

-

Date last updated

-

Link to Release calendar

-

Contact person

Subdepartment of Environment Statistics - National Statistics Institute

Juan Roblesmailto:jrrobless@ine.gob.clStatistical population

-

Geographic coverage

-

Sector coverage

-

Institutional coverage

-

Item coverage

-

Population coverage

-

Product coverage

-

Other coverage

-

Key statistical concept

-

Classification(s) used

-

Aggregation & consolidation

-

Estimation

-

Imputation

-

Transformations

-

Validation

-

Index type

-

Weights

-

Seasonal adjustment

-

Other manipulations

-

Dissemination format(s)

-

Recommended uses and limitations

-

Quality comments

-

Other comments

-