
Role of surface and sub-surface ocean parameters on cyclonic …
2024年5月20日 · Intraseasonal oscillations and inter annual oscillations are predominantly changing the Arabian sea surface and sub-surface parameters especially in monsoon season. D26 layer and MLD are influencing the decrease of …
subsurface warm layer is to be considered as thick enough? In other words, what is the needed range for the subsurface parameters, such as the depth of the 26°C isotherm (i.e., D26, often used to characterize the subsurface warm layer thickness) or the upper ocean heat content (UOHC orQ H, i.e., the integrated
Impact of ocean warm layer thickness on the intensity of hurricane ...
2013年9月3日 · Ocean mixed layer process plays a critical role in modulating inner-core SSTs when D26 is deep, reducing mixed layer cooling and lowering the center pressure of the Katrina. Our result lends strong support to the notion that accurate initialization of pre-storm subsurface thermal structure in prediction models is critical for a skillful ...
26°C isotherm (D26), also referred to as tropical cyclone heat potential (TCHP), has been shown to play a more impor-tant role in TC intensity changes (Shay et al., 2000). TCHP shows high spatial and temporal variability associated with oceanic mesoscale features. TC intensifi-cation has been linked with high values
Barrier Layer Characteristics for Different Temporal Scales and …
2021年3月18日 · The barrier layer (BL) is a layer of water separating the thermocline from the density mixed layer in the upper ocean, which has the capability of reducing the negative feedback effect caused by tropical cyclone (TC) acting on …
Mapped Mosaics - National Oceanic and Atmospheric …
For the daily files, the fields are: latitude, longitude, sea surface temperature (SST) in °C, sea surface height anomaly (SSHA) in cm, mapping error, depths of 20°C (D20) and 26°C (D26) isotherms, ocean mixed layer depth (MLD), all in meters, and …
layer (o oC),F is the net longwave radiation ux (W m−2), and D26 is the depth of the 26 C isotherm (m). The coecient p enables the best least square t between GPI ocean and obser - vations, and p = 7.4 ∗ 10 −3 (Vidya et al 2023). The absolute vorticity (˜ 1000) was com-puted using the following equation
(a) The D26-U h_min relationship obtained from the 17
A thicker-than-normal warm subsurface layer that was present beneath the positive sea surface temperature (SST) anomalies contained a sufficient upper-ocean heat content to effectively restrain...
CONCLUSION: This analysis focuses on the ocean surface layer with more prominent dynamics. Various surface parameters were calculated, and discussions on surface temperature, salinity, D20, D26, and net heat flux across seasons have been presented. This is an open access article under the CC BY license (htp://creativecommons.org/licenses/by/4.0/).
The present work utilizes a modified one-dimensional (1-D) ocean mixed layer model to predict D26 and TCHP 48 hours in advance at an interval of every six hours. The model is forced with forecast surface meteorological parameters obtained from an …