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  • 1
    Publication Date: 2024-02-01
    Keywords: ALTITUDE; CT; DATE/TIME; DCM; DCM-track; DeepChlorMax; JGOFS; Joint Global Ocean Flux Study; LATITUDE; LONGITUDE; PAR sensor Q10876, LI-COR Inc.; Radiation, photosynthetically active; Tydeman; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 10759 data points
    Location Call Number Limitation Availability
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  • 2
    Publication Date: 2024-02-01
    Keywords: CT; DATE/TIME; DCM; DCM-track; DeepChlorMax; DEPTH, water; JGOFS; Joint Global Ocean Flux Study; LATITUDE; LONGITUDE; Salinity; Temperature, water; Thermosalinograph; TSG; Tydeman; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 108901 data points
    Location Call Number Limitation Availability
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  • 3
    Publication Date: 2024-02-01
    Description: The cruise with RV Tydeman was devoted to study permanently stratified plankton systems in the (sub)tropical ocean, which are characterised by a deep chlorophyll peak between 80 and 150 m. To minimise lateral effects by horizontal transport of nutrients and organic matter from river outflow and upwelling regions, stations were selected in the middle of the North Atlantic Ocean between the continents of America and Africa. (5 - 35° N and 50 - 15° W). Here the vertical distributions of light and nutrients control the abundance and growth of autotrophic algae in the thermically stratified water column. This phytoplankton is numerically dominated by the prokaryotic picoplankters Synechococcus spp. and Prochlorococcus spp., which are smaller than 2 ?m. The productivity of the 100 to 150 m deep euphotic zone can be high, because a high heterotrophic/autotrophic biomass ratio induces a rapid regeneration of nutrients and inorganic carbon. Primary grazers are mainly micro-organisms such as heterotrophic nannoflagellates and ciliates, which feed on the small algae and on bacteria. Heterotrophic bacteria can outnumber the autotrophic algae, because their number is related to the substrate pools of dissolved and particulate dead organic matter. These DOC and detritus pools reach equilibrium at a concentration, where the rate of their production (proportional to algal biomass) equals their mineralisation and sinking rate (proportional to the concentration and weight of POC and detritus). At a relatively low value of the weight-specific loss rates, the equilibrium concentration of these carbon pools and their load of bacteria can be high. The bacterial productivity is proportional to the mineralisation rate, which in a steady state can never be higher than the rate of primary production. Hence the ratio in turnover rate of bacteria and autotrophs tends to be reciprocally proportional to their biomass ratio.
    Keywords: Absorption and beam attenuation; AC-9; Advanced spectral irradiance meter; ASIR; CT; CTD/Rosette; CTD-RO; DCM; DCM100-0; DCM100-1; DCM100-10; DCM100-11; DCM100-12; DCM100-13; DCM100-14; DCM100-15; DCM100-16; DCM100-17; DCM100-18; DCM100-19; DCM100-20; DCM100-21; DCM100-22; DCM100-23; DCM100-24; DCM100-25; DCM100-26; DCM100-27; DCM100-28; DCM100-29; DCM100-3; DCM100-30; DCM100-31; DCM100-33; DCM100-35; DCM100-37; DCM100-38; DCM100-39; DCM100-4; DCM100-41; DCM100-42; DCM100-43; DCM100-44; DCM100-46; DCM100-48; DCM100-5; DCM100-50; DCM100-51; DCM100-52; DCM100-53; DCM100-55; DCM100-56; DCM100-57; DCM100-59; DCM100-6; DCM100-61; DCM100-63; DCM100-64; DCM100-65; DCM100-66A; DCM100-69; DCM100-7; DCM100-70; DCM100-72; DCM100-74; DCM100-8; DCM10-1; DCM104-1; DCM105-2; DCM11-1; DCM111-1; DCM112-1; DCM112-2; DCM113-1; DCM12-1; DCM1-3; DCM13-1; DCM1-4; DCM1-6; DCM200-0; DCM200-1; DCM200-10; DCM200-11; DCM200-12; DCM200-13; DCM200-15; DCM200-16; DCM200-17; DCM200-18; DCM200-19; DCM200-20; DCM200-21; DCM200-23; DCM200-24; DCM200-25; DCM200-26; DCM200-27; DCM200-28; DCM200-29; DCM200-3; DCM200-30; DCM200-31; DCM200-32; DCM200-33; DCM200-34; DCM200-35; DCM200-37; DCM200-39; DCM200-4; DCM200-40; DCM200-41; DCM200-42; DCM200-45; DCM200-47; DCM200-48; DCM200-5; DCM200-50; DCM200-53; DCM200-54; DCM200-55; DCM200-57; DCM200-58; DCM200-6; DCM200-60; DCM200-61; DCM200-63; DCM200-64; DCM200-66; DCM200-68; DCM200-69; DCM200-7; DCM200-70; DCM200-72; DCM200-74; DCM200-75; DCM200-77; DCM200-79; DCM200-8; DCM200-81; DCM200-82; DCM200-83; DCM200-84; DCM202-1; DCM202-2; DCM2-1; DCM300-0; DCM300-1; DCM300-10; DCM300-11; DCM300-12; DCM300-13; DCM300-15; DCM300-17; DCM300-18; DCM300-19; DCM300-20; DCM300-21; DCM300-23; DCM300-24; DCM300-25; DCM300-26; DCM300-27; DCM300-28; DCM300-29; DCM300-3; DCM300-30; DCM300-31; DCM300-32; DCM300-33; DCM300-34; DCM300-35; DCM300-37; DCM300-38; DCM300-39; DCM300-4; DCM300-40; DCM300-41; DCM300-43; DCM300-45; DCM300-46; DCM300-47; DCM300-48; DCM300-5; DCM300-50; DCM300-52; DCM300-53; DCM300-56; DCM300-57; DCM300-58; DCM300-59; DCM300-6; DCM300-60; DCM300-61; DCM300-63; DCM300-64; DCM300-65; DCM300-66; DCM300-67; DCM300-69; DCM300-7; DCM300-73; DCM300-74; DCM300-76; DCM300-77; DCM300-8; DCM304-1; DCM304-2; DCM306-1; DCM306-2; DCM3-1; DCM400-0; DCM400-1; DCM400-10; DCM400-12; DCM400-13; DCM400-14; DCM400-15; DCM400-16; DCM400-17; DCM400-18; DCM400-19; DCM400-20; DCM400-21; DCM400-22; DCM400-23; DCM400-24; DCM400-25; DCM400-26; DCM400-27; DCM400-28; DCM400-29; DCM400-3; DCM400-30; DCM400-31; DCM400-32; DCM400-33; DCM400-35; DCM400-37; DCM400-39; DCM400-4; DCM400-40; DCM400-41; DCM400-43; DCM400-45; DCM400-46; DCM400-49; DCM400-5; DCM400-50; DCM400-52; DCM400-54; DCM400-55; DCM400-58; DCM400-59; DCM400-6; DCM400-60; DCM400-61; DCM400-62; DCM400-63; DCM400-64; DCM400-65; DCM400-67; DCM400-68; DCM400-69; DCM400-7; DCM400-70; DCM400-72; DCM400-74; DCM400-75; DCM400-78; DCM400-79; DCM400-8; DCM400-81; DCM400-82; DCM404-1; DCM404-2; DCM405-1; DCM4-1; DCM500-0; DCM500-1; DCM500-10; DCM500-12; DCM500-13; DCM500-14; DCM500-15; DCM500-16; DCM500-17; DCM500-18; DCM500-19; DCM500-2; DCM500-20; DCM500-21; DCM500-22; DCM500-23; DCM500-24; DCM500-25; DCM500-26; DCM500-27; DCM500-28; DCM500-29; DCM500-3; DCM500-30; DCM500-31; DCM500-32; DCM500-33; DCM500-34; DCM500-35; DCM500-37; DCM500-39; DCM500-4; DCM500-40; DCM500-41; DCM500-43; DCM500-45; DCM500-46; DCM500-49; DCM500-5; DCM500-50; DCM500-52; DCM500-53; DCM500-54; DCM500-55; DCM500-58; DCM500-6; DCM500-60; DCM500-61; DCM500-62; DCM500-63; DCM500-64; DCM500-65; DCM500-67; DCM500-7; DCM500-70; DCM500-72; DCM500-74; DCM500-75; DCM500-78; DCM500-79; DCM500-8; DCM500-81; DCM500-9; DCM5-1; DCM6-1; DCM7-1; DCM8-1; DCM9-1; DCM-track; DeepChlorMax; JGOFS; Joint Global Ocean Flux Study; MSN; Multiple opening/closing net; SD; Secchi disk; Spectral radiometer; SPRA; Trap; TRAP; Tydeman; Underway cruise track measurements; Vertical net; VNET
    Type: Dataset
    Format: application/zip, 19 datasets
    Location Call Number Limitation Availability
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  • 4
    Publication Date: 2024-02-01
    Keywords: Advanced spectral irradiance meter; ASIR; Date/Time of event; DCM; DCM100-42; DCM1-6; DCM200-45; DCM200-58; DCM200-75; DCM300-46; DCM300-58; DCM400-46; DCM400-60; DCM400-75; DCM500-46; DCM500-60; DCM500-75; DeepChlorMax; DEPTH, water; Event label; JGOFS; Joint Global Ocean Flux Study; Latitude of event; Longitude of event; Multi-spectral irradiance meter, ASIR; Spectral irradiance, upward at 406 nm; Spectral irradiance, upward at 414 nm; Spectral irradiance, upward at 428 nm; Spectral irradiance, upward at 444 nm; Spectral irradiance, upward at 457 nm; Spectral irradiance, upward at 470 nm; Spectral irradiance, upward at 480 nm; Spectral irradiance, upward at 493 nm; Spectral irradiance, upward at 513 nm; Spectral irradiance, upward at 528 nm; Spectral irradiance, upward at 546 nm; Spectral irradiance, upward at 557 nm; Spectral irradiance, upward at 577 nm; Spectral irradiance, upward at 600 nm; Spectral irradiance, upward at 615 nm; Spectral irradiance, upward at 621 nm; Spectral irradiance, upward at 648 nm; Spectral irradiance, upward at 665 nm; Spectral irradiance, upward at 678 nm; Spectral irradiance, upward at 686 nm; Spectral irradiance, upward at 690 nm; Spectral irradiance, upward at 700 nm; Tydeman
    Type: Dataset
    Format: text/tab-separated-values, 3177 data points
    Location Call Number Limitation Availability
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  • 5
    Publication Date: 2024-02-01
    Keywords: 19-Butanoyloxyfucoxanthin; 19-Hexanoyloxyfucoxanthin; Alloxanthin; alpha-Carotene, beta,epsilon-Carotene; Antheraxanthin; beta-Carotene, beta,beta-Carotene; Bottle number; Carotene; Chlorophyll a; Chlorophyll b; Chlorophyll c1; Chlorophyll c2; Chlorophyll c3; cis-Neoxanthin; CTD/Rosette; CTD-RO; Date/Time of event; DCM; DCM100-11; DCM100-13; DCM100-6; DCM100-8; DCM200-13; DCM200-17; DCM200-19; DCM200-6; DCM200-8; DCM300-11; DCM300-13; DCM300-17; DCM300-6; DCM300-8; DCM400-10; DCM400-13; DCM400-16; DCM400-18; DCM400-4; DCM400-6; DCM400-8; DCM500-10; DCM500-13; DCM500-16; DCM500-18; DCM500-4; DCM500-6; DCM500-8; DeepChlorMax; DEPTH, water; Diadinoxanthin; Event label; Fucoxanthin; JGOFS; Joint Global Ocean Flux Study; Latitude of event; Longitude of event; Lutein; Peridinin; Spectrophotometry; Tydeman; Violaxanthin; Zeaxanthin
    Type: Dataset
    Format: text/tab-separated-values, 1576 data points
    Location Call Number Limitation Availability
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  • 6
    Publication Date: 2024-02-01
    Keywords: Absorption and beam attenuation; AC-9; Chlorophyll total; CTD/Rosette; CTD-RO; Date/Time of event; DCM; DCM100-1; DCM10-1; DCM104-1; DCM113-1; DCM13-1; DCM200-1; DCM202-1; DCM2-1; DCM300-1; DCM304-1; DCM306-1; DCM400-1; DCM405-1; DCM4-1; DCM500-1; DCM9-1; DeepChlorMax; DEPTH, water; Event label; Fluorometry; JGOFS; Joint Global Ocean Flux Study; Latitude of event; Longitude of event; Phaeopigments; Sample code/label; Spectral radiometer; SPRA; Tydeman
    Type: Dataset
    Format: text/tab-separated-values, 369 data points
    Location Call Number Limitation Availability
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  • 7
    Publication Date: 2024-02-01
    Keywords: Absorption and beam attenuation; AC-9; Calculated; Carbon, organic, particulate; Carbon/Nitrogen ratio; CTD/Rosette; CTD-RO; Date/Time of event; DCM; DCM100-1; DCM10-1; DCM104-1; DCM113-1; DCM13-1; DCM200-1; DCM202-1; DCM2-1; DCM300-1; DCM304-1; DCM306-1; DCM400-1; DCM405-1; DCM4-1; DCM500-1; DCM9-1; DeepChlorMax; DEPTH, water; Element analyser CHN, Perkin-Elmer 240; Event label; JGOFS; Joint Global Ocean Flux Study; Latitude of event; Longitude of event; Nitrogen, organic, particulate; Spectral radiometer; SPRA; Tydeman
    Type: Dataset
    Format: text/tab-separated-values, 363 data points
    Location Call Number Limitation Availability
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  • 8
    Publication Date: 2024-02-01
    Keywords: Counting; DATE/TIME; Flying fish; JGOFS; Joint Global Ocean Flux Study; LATITUDE; LONGITUDE
    Type: Dataset
    Format: text/tab-separated-values, 18 data points
    Location Call Number Limitation Availability
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  • 9
    Publication Date: 2024-02-01
    Keywords: ALTITUDE; CT; DATE/TIME; DCM; DCM-track; DeepChlorMax; integrated; JGOFS; Joint Global Ocean Flux Study; LATITUDE; LONGITUDE; Radiation, photosynthetically active per day; Tydeman; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 37 data points
    Location Call Number Limitation Availability
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  • 10
    Publication Date: 2024-02-01
    Keywords: Advanced spectral irradiance meter; ASIR; Date/Time of event; DCM; DCM100-42; DCM1-6; DCM200-45; DCM200-58; DCM200-75; DCM300-46; DCM300-58; DCM400-46; DCM400-60; DCM400-75; DCM500-46; DCM500-75; DeepChlorMax; DEPTH, water; Event label; JGOFS; Joint Global Ocean Flux Study; Latitude of event; Longitude of event; Multi-spectral irradiance meter, ASIR; Spectral irradiance, downward at 406 nm; Spectral irradiance, downward at 414 nm; Spectral irradiance, downward at 428 nm; Spectral irradiance, downward at 444 nm; Spectral irradiance, downward at 457 nm; Spectral irradiance, downward at 470 nm; Spectral irradiance, downward at 480 nm; Spectral irradiance, downward at 493 nm; Spectral irradiance, downward at 513 nm; Spectral irradiance, downward at 528 nm; Spectral irradiance, downward at 546 nm; Spectral irradiance, downward at 557 nm; Spectral irradiance, downward at 577 nm; Spectral irradiance, downward at 600 nm; Spectral irradiance, downward at 615 nm; Spectral irradiance, downward at 621 nm; Spectral irradiance, downward at 648 nm; Spectral irradiance, downward at 665 nm; Spectral irradiance, downward at 678 nm; Spectral irradiance, downward at 686 nm; Spectral irradiance, downward at 690 nm; Spectral irradiance, downward at 700 nm; Tydeman
    Type: Dataset
    Format: text/tab-separated-values, 2092 data points
    Location Call Number Limitation Availability
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