In:
Biogeosciences, Copernicus GmbH, Vol. 15, No. 20 ( 2018-10-19), p. 6151-6165
Abstract:
Abstract. Oceanic time series have been instrumental in providing an understanding of
biological, physical, and chemical dynamics in the oceans and how these
processes change over time. However, the extrapolation of these results to
larger oceanographic regions requires an understanding and characterization
of local versus regional drivers of variability. Here we use high-frequency
spatial and temporal glider data to quantify variability at the coastal San
Pedro Ocean Time-series (SPOT) site in the San Pedro Channel (SPC) and
provide insight into the underlying oceanographic dynamics for the site. The
dataset could be described by a combination of four water column profile
types that typified active upwelling, a surface bloom, warm-stratified
low-nutrient conditions, and a subsurface chlorophyll maximum. On weekly
timescales, the SPOT station was on average representative of 64 % of
profiles taken within the SPC. In general, shifts in water column profile
characteristics at SPOT were also observed across the entire channel. On
average, waters across the SPC were most similar to offshore profiles,
suggesting that SPOT time series data would be more impacted by regional
changes in circulation than local coastal events. These results indicate that
high-resolution in situ glider deployments can be used to quantify major
modes of variability and provide context for interpreting time series data,
allowing for broader application of these datasets and greater integration
into modeling efforts.
Type of Medium:
Online Resource
ISSN:
1726-4189
DOI:
10.5194/bg-15-6151-2018
DOI:
10.5194/bg-15-6151-2018-supplement
Language:
English
Publisher:
Copernicus GmbH
Publication Date:
2018
detail.hit.zdb_id:
2158181-2
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