Turbulent Transfer Velocity within Benthic Boundary Layer of Cheeca AOAT. 2012
Description:
Abstract:
The AOAT project is engaged in monitoring/modeling efforts designed to: a) establish
methodologies for monitoring, assessing, and modeling the impacts of Ocean Acidification (OA) on coral reef ecosystems,
b) identify critical thresholds, impacts, and trends necessary for developing forecasts, c) characterize
the variability in carbonate chemistry in coral reef environments, and d) provide data and information
needed to inform ecological impact forecasting. Existing projections of OA on coral reef ecosystems
(e.g. Silverman et al., 2009) make a core assumption that secular declines in carbonate mineral
saturation state (a key parameter of OA interest) are equivalent to those experienced in the oceanic
surface waters. Sustained observations at the AOAT, however, reveal considerable complexity and
diverge from neighboring oceanic waters during most periods. Seasonal ranges in O-values exceed
those anticipated as a consequence of OA over the next several decades. Complexities within
near-reef waters are likely the norm and we seek to better model the primary controls on
near-reef carbonate chemistry. The AOAT has served as a critical venue to foster research
from other agency and academic partners towards the development of techniques which can be
applied to monitor OA within reef environments and quantify the local feedbacks that
can alter rates and magnitude.
Purpose:
OA is expected to reduce the calcification rates of marine organisms, yet we have
little understanding of how OA will manifest within dynamic, real-world systems, nor how to
accurately measure said manifestation.
Supplemental_Information:
Daynumber: The decimal day begining at 0 on 01/01/12, 00:00:00;
daynumber interval is 15 minutes (0.0104 days);
k: the turbulent transfer velocity of O2 or total alkalinity at the substrate-water interface. Units are in meters per hour;
-9 in the data set indicates that the parameter is unavailable.
Ocean Chemistry Division, Atlantic Oceanographic
and Meteorological Laboratory, National Oceanic and
Atmospheric Administration
Contact_Address:
Address_Type: mailing and physical address
Address: 4301 Rickenbacker Causeway
City: Miami
State_or_Province: Florida
Postal_Code: 33149-1026
Country: USA
Contact_Voice_Telephone: (305) 361-4396
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
Data has been reviewed and edited in attempt to
remove unreliable values.
Logical_Consistency_Report: none
Completeness_Report: None
Lineage:
Process_Step:
Process_Description:
Data have been manually screened and erroneous values due to instrument malfunction have been noted and/or removed.
REFERENCES:
McGillis, W. R., Langdon, C., Loose, B., Yates, K. K., and Corredor, J. (2011). Productivity of a coral reef using boundary layer and enclosure methods. Geophysical Research Letters, 38, 3611
Process_Date: 201308
Distribution_Information:
Distributor:
Contact_Information:
Contact_Person_Primary:
Contact_Person: James C. Hendee
Contact_Organization:
Ocean Chemistry Division, Atlantic Oceanographic
and Meteorological Laboratory, National Oceanic and
Atmospheric Administration
Contact_Address:
Address_Type: mailing and physical address
Address: 4301 Rickenbacker Causeway
City: Miami
State_or_Province: Florida
Postal_Code: 33149-1026
Country: USA
Contact_Voice_Telephone: (305) 361-4396
Resource_Description: Downloadable Data
Distribution_Liability:
Disclaimer- While every effort has been made to ensure that these data
are accurate and reliable within the limits of the current state of
the art, NOAA cannot assume liability for any damages caused by any
errors or omissions in the data, nor as a result of the failure of
the data to function on a particular system. NOAA makes no warranty,
expressed or implied, nor does the fact of distribution constitute
such a warranty.