CTD rosette system
E459167
The CTD rosette system is an oceanographic instrument array that collects water samples at various depths while simultaneously measuring conductivity, temperature, and depth to profile the water column.
All labels observed (1)
| Label | Occurrences |
|---|---|
| CTD rosette system canonical | 1 |
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
CTD system
ⓘ
oceanographic instrument array ⓘ water sampling system ⓘ |
| allows | simultaneous water sampling and CTD measurements ⓘ |
| controlledBy | shipboard operator ⓘ |
| dataTransmission | real-time through conducting cable ⓘ |
| deployedBy | lowering from surface to target depth ⓘ |
| enables |
calibration of CTD sensor data with bottle samples
ⓘ
high-resolution vertical profiles of water properties ⓘ |
| environment | marine environment ⓘ |
| hasComponent |
CTD sensor package
ⓘ
Niskin bottles NERFINISHED ⓘ data acquisition system ⓘ deck unit ⓘ rosette frame ⓘ sea cable ⓘ water sampling bottles ⓘ winch ⓘ |
| measures |
conductivity
ⓘ
depth ⓘ pressure ⓘ temperature ⓘ |
| operatedFrom |
research vessel
ⓘ
shipboard winch ⓘ |
| records |
vertical profiles of density
ⓘ
vertical profiles of salinity (via conductivity) ⓘ vertical profiles of temperature ⓘ |
| recoveredBy | winch retrieval to deck ⓘ |
| requires |
calibration of sensors
ⓘ
power from ship ⓘ |
| samplingMethod |
discrete water sampling
ⓘ
in-situ profiling ⓘ |
| triggerMechanism | remotely fired bottle closures ⓘ |
| typicalBottleCount |
12
ⓘ
24 ⓘ 36 ⓘ |
| typicallyMountedOn | conductivity-temperature-depth profiler ⓘ |
| usedFor |
biogeochemical studies
ⓘ
chemical oceanography research ⓘ collecting water samples at various depths ⓘ physical oceanography research ⓘ profiling the water column ⓘ |
| usedIn |
coastal oceanography
ⓘ
hydrographic sections ⓘ open ocean surveys ⓘ time-series stations ⓘ |
| waterSamplesUsedFor |
chlorophyll and pigment analysis
ⓘ
dissolved oxygen analysis ⓘ nutrient analysis ⓘ salinity calibration ⓘ trace metal analysis ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.