Accessing BCO-DMO data
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| griddap | Subset | tabledap | Make A Graph | wms | files | Accessible | Title | Summary | FGDC | ISO 19115 | Info | Background Info | RSS | Institution | Dataset ID | |
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| log in | [Plate Rates Bulk TN362] - Peptidase and glucosidase activities from bulk water incubations from waters taken aboard the R/V Thomas G. Thompson in the Southern Indian Ocean during the research cruise TN362 in November and December, 2018 (A mechanistic microbial underpinning for the size-reactivity continuum of dissolved organic carbon degradation) | Marine dissolved organic matter (DOM) is one of the largest actively-cycling reservoirs of organic carbon on the planet, and thus a major component of the global carbon cycle. The existence of a size-reactivity continuum of DOM - observations and measurements showing that HMW (high-molecular-weight) DOM tends to be younger and more reactive than lower MW (molecular-weight) DOM - has been demonstrated in laboratory and field investigations in different parts of the ocean. A mechanistic explanation for the greater reactivity of HMW DOM has been lacking, however. Here we investigated the potential of seawater microbial communities from different water masses to hydrolyze six high-molecular-weight polysaccharides (arabinogalactan, chondroitin sulfate, fucoidan, laminarin, pullulan, and xylan). \n \nThis dataset includes the measurement of peptidase and glucosidase activities from samples taken from bulk water incubations from various stations and depths aboard the R/V Thomas G. Thompson in the Southern Indian Ocean during the research cruise TN362 in November and December, 2018.\n\ncdm_data_type = Other\nVARIABLES:\ndeployment (unitless)\nStation (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\ndate (unitless)\ndepth_sequence (unitless)\ndepth (Depth_actual, m)\nsample_type (unitless)\nIncubation_temp (degrees Celsius)\nunamended_amended (unitless)\nsubstrate (unitless)\nt1_rate (nmol L-1 hr-1)\nt1_sd (nmol L-1 hr-1)\nt2_rate (nmol L-1 hr-1)\nt2_sd (nmol L-1 hr-1)\n... (15 more variables)\n | BCO-DMO | bcodmo_dataset_996093_v1 |