PVST_SOPACE
| Experiment: | PVST_SOPACE |
| PIs*: |
Bourdin, Guillaume | Chase, Alison
|
| Start Time: | Nov 28 2024 11:55PM |
| End Time: | Jun 15 2025 04:58PM |
| North: | 21.257 |
| South: | -17.203 |
| East: | 149.030 |
| West: | -157.932 |
| Data Types: |
pigment, cast, flow_thru, above_water
|
| Parameters: |
abun
ag
ag_sd
allo
alpha-beta-car
aot
ap
ap_sd
ap_se
area_cross_section
associated_file_types
associated_files
associatedmedia
bbp
biovolume
bottle
but-fuco
cdomf
cg
cg_sd
chl_c1c2
chl_c3
chlide_a
cloud
cp
cp_sd
cp_se
data_provider_category_automated
data_provider_category_manual
diadino
diato
dp
dv_chl_a
dv_chl_b
equivalent_spherical_diameter
es
es_unc
fuco
gyro
hex-fuco
hplc_gsfc
length_representation
lut
lwn
lwn_unc
measurementvalue
measurementvalueid
mv_chl_a
mv_chl_b
neo
perid
phide_a
phytin_a
ppc
ppc_tcar
ppc_tpg
pras
prediction_score_automated_category
psc
psc_tcar
psd
psd_sd
psp
psp_tpg
relaz
rrs
rrs_unc
sal
scientificname_automated
scientificname_manual
scientificnameid_automated
scientificnameid_manual
sza
tacc
tacc_tchla
tcar
tchl
tchl_tcar
tchla_tpg
tot_chl_a
tot_chl_b
tot_chl_c
tpg
viola
volume_analyzed_ul
vsf
vsf_sd
width_representation
wind
wt
zea
|
*Listed alphabetically
DOI
10.5067/SeaBASS/PVST_SOPACE/DATA001
Description
SO-PACE will make use of opportunistic instrument deployments on research vessels to produce measurements of hyperspectral Rrs spanning 350 nm - 750 nm using the pySAS system, a continuous above-water autonomous solar tracking platform to collect water-leaving and sky radiances and downwelling irradiance, from which Rrs is calculated. Complementary measurements of IOPs will be made using underway flow-through systems and using pumps that minimize particle damage. IOP measurements will provide several products including: chlorophyll-a concentrations and spectral absorption of phytoplankton (both derived from particulate absorption), and spectral backscattering coefficients. The slope of particulate attenuation will provide estimates of trends in both bulk particle and phytoplankton size distributions. Concentrations of chlorophyll-a as well as additional phytoplankton accessory pigments will be estimated from both particulate absorption and Rrs spectra. Additionally, discrete water samples will be collected from flow-through systems and prepared for onshore laboratory HPLC analysis of phytoplankton pigments. Continuous measurements of phytoplankton communities will be made using two well-established instruments: an Imaging FlowCytobot (IFCB) and a SeaFlow (a continuous flow cytometer). These two instruments will also be deployed on shipboard flow-through systems, and have a combined range of ~ 0.6-150 microns for quantitative phytoplankton assessment.
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