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An initial formation of fresh water manganese nodules through the microorganisms participation

Listed in NASA Earthdata CMR

Description

The field environmental geological exploration in Matsue City and Kanazawa City, as well as, the water quality investigation of river water at 200 sites have been carried out.From a cultivation experiment of microorganisms obtained, it was made clear that an enrichment of manganese and iron occurs in a short time such as several days through a participation of these microorganisms, and the structural materials (manganese nodules) similar to a shape of Leptothrix discophora are formed, and furthermore its process was explained.

In addition, the microstructure and its constitution constituents of river water and sediment were clarified by an instrumental analysis.

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Topics

Inferred from text
Pollution and contamination 70%
Provenance · 1 source records, 19 field assertions
SourceKeyLast seenRaw
NASA Earthdata CMRC1214608116-SCIOPS8 d agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[field].anzsrc:group:4105enrichment · NASA CMRtaxonomy-embedding@1.1.0title+keywords+description (70%)
concepts[instrument].gcmd_instrument:aassource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[instrument].gcmd_instrument:gas-chromatographssource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[instrument].gcmd_instrument:ph-meterssource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[instrument].gcmd_instrument:scanning-electron-microscopessource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[instrument].gcmd_instrument:temsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[instrument].gcmd_instrument:xrpdsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/land-surface/erosion-sedimentation/sediment-chemistrysource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/land-surface/erosion-sedimentation/sediment-compositionsource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/terrestrial-hydrosphere/surface-water/surface-water-chemistry/stream-chemistrysource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/terrestrial-hydrosphere/water-quality-water-chemistry/contaminantssource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[measured_variable].gcmd:earth-science/terrestrial-hydrosphere/water-quality-water-chemistry/contaminants/inorganic-mattersource · NASA CMRconnector:nasa_cmr@1.0.0
concepts[platform].gcmd_platform:not-providedsource · NASA CMRconnector:nasa_cmr@1.0.0
descriptionsource · NASA CMRconnector:nasa_cmr@1.0.0/umm/Abstract
spatialsource · NASA CMRconnector:nasa_cmr@1.0.0/umm/SpatialExtent
temporalsource · NASA CMRconnector:nasa_cmr@1.0.0/umm/TemporalExtents
titlesource · NASA CMRconnector:nasa_cmr@1.0.0/umm/EntryTitle
version_labelsource · NASA CMRconnector:nasa_cmr@1.0.0