@Article{MarakievaGoNeShNoLi:2015:CoTrLa,
author = "Marakieva, A. M. and Gorshkov, V. G. and Nefiodov, A. V. and
Sheil, D. and Nobre, Antonio Donato and Li, B. L.",
affiliation = "{University of California} and {University of California} and
{B.P. Konstantinov Petersburg Nuclear Physics Institute} and
{Norwegian University of Life Sciences} and {Instituto Nacional de
Pesquisas Espaciais (INPE)} and {University of California}",
title = "Comments on {"}the tropospheric land-sea warming contrast as the
driver of tropical sea level pressure changes''",
journal = "Journal of Climate",
year = "2015",
volume = "28",
number = "10",
pages = "4293--4307",
abstract = "In their paper {"}The tropospheric land-sea warming contrast as
the driver of tropical sea level pressure changes,'' Bayr and
Dommenget proposed a simple model of temperature-driven air
redistribution to quantify the ratio between changes of sea level
pressure p(s) and mean tropospheric temperature T-a in the
tropics. This model assumes that the height of the tropical
troposphere is isobaric. Here problems with this model are
identified. A revised relationship between ps and Ta is derived
governed by two parameters-the isobaric and isothermal
heights-rather than just one. Further insight is provided by the
earlier model of Lindzen and Nigam, which was the first to use the
concept of isobaric height to relate tropical ps to air
temperature, and they did this by assuming that isobaric height is
always around 3 km and isothermal height is likewise near
constant. Observational data, presented here, show that neither of
these heights is spatially universal nor does their mean values
match previous assumptions. Analyses show that the ratio of the
long-term changes in ps and T-a associated with land-sea
temperature contrasts in a warming climate-the focus of Bayr and
Dommenget's work-is in fact determined by the corresponding ratio
of spatial differences in the annual mean p(s) and T-a. The latter
ratio, reflecting lower pressure at higher temperature, is
significantly impacted by the meridional pressure and temperature
differences. Considerations of isobaric heights are shown to be
unable to predict either spatial or temporal variation in p(s). As
noted by Bayr and Dommenget, the role of moisture dynamics in
generating sea level pressure variation remains in need of further
theoretical investigations.",
doi = "10.1175/JCLI-D-14-00592.1",
url = "http://dx.doi.org/10.1175/JCLI-D-14-00592.1",
issn = "0894-8755",
language = "en",
urlaccessdate = "06 maio 2024"
}