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RISEarly Dynamics of Deep Blue XBT Probes
Publisher: American Meteorological Society
Abstract: xpendable bathythermographs (XBTs) are probes widely used to monitor global ocean heat content, variability of ocean currents, and meridional heat transports. In the XBT temperature profile, the depth is estimated from the ...
Identifying and Estimating Biases between XBT and Argo Observations Using Satellite Altimetry
Publisher: American Meteorological Society
Abstract: A methodology is developed to identify and estimate systematic biases between expendable bathythermograph (XBT) and Argo observations using satellite altimetry. Pseudoclimatological fields of isotherm depth are computed ...
Direct Evidence of a Changing Fall-Rate Bias in XBTs Manufactured during 1986–2008
Publisher: American Meteorological Society
Abstract: his paper presents direct evidence of systematic depth errors consistent with a fall-rate bias in 52 temperature profiles collected using expendable bathythermographs (XBTs). The profiles were collected using the same ...
Reducing Biases in XBT Measurements by Including Discrete Information from Pressure Switches
Publisher: American Meteorological Society
Abstract: iases in the depth estimation of expendable bathythermograph (XBT) measurements cause considerable errors in oceanic estimates of climate variables. Efforts are currently underway to improve XBT probes by including pressure ...
Effects of a Warm Oceanic Feature on Hurricane Opal
Publisher: American Meteorological Society
Abstract: On 4 October 1995, Hurricane Opal deepened from 965 to 916 hPa in the Gulf of Mexico over a 14-h period upon encountering a warm core ring (WCR) in the ocean shed by the Loop Current during an upper-level atmospheric trough ...
Application of Oceanic Heat Content Estimation to Operational Forecasting of Recent Atlantic Category 5 Hurricanes
Publisher: American Meteorological Society
Abstract: Research investigating the importance of the subsurface ocean structure on tropical cyclone intensity change has been ongoing for several decades. While the emergence of altimetry-derived sea height observations from ...
The Impact of Improved Thermistor Calibration on the Expendable Bathythermograph Profile Data
Publisher: American Meteorological Society
Abstract: AbstractExpendable bathythermograph (XBT) data provide one of the longest available records of upper-ocean temperature. However, temperature and depth biases in XBT data adversely affect estimates of long-term trends of ...
The complementary value of XBT and Argo observations to monitor ocean boundary currents and meridional heat and volume transports: A case study in the Atlantic Ocean
Publisher: American Meteorological Society
Abstract: This work assesses the value of expendable bathythermograph (XBT) and Argo profiling float observations to monitor the Atlantic Ocean boundary current systems (BCS), meridional overturning circulation (MOC), and meridional ...
Surface Ocean Mixing Inferred from Different Multisatellite Altimetry Measurements
Publisher: American Meteorological Society
Abstract: Two sea surface height (SSH) anomaly fields distributed by Archiving, Validation, and Interpretation of Satellite Oceanographic (AVISO) Altimetry are evaluated in terms of the effects that they produce on mixing. One SSH ...
Objective Detection of Oceanic Eddies and the Agulhas Leakage
Publisher: American Meteorological Society
Abstract: esoscale oceanic eddies are routinely detected from instantaneous velocities derived from satellite altimetry data. While simple to implement, this approach often gives spurious results and hides true material transport. ...