Faculty Profiles - MASUNAGA, Hirohiko

Papers - MASUNAGA, Hirohiko

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A toy model of tropical convection with a moisture storage closure Reviewed

Masunaga Hirohiko, Sumi Yukari

JOURNAL OF ADVANCES IN MODELING EARTH SYSTEMS Vol. 9 ( 1 ) page： 647-667 2017.3

Relationship between the direction of diurnal rainfall migration and the ambient wind over the Southern Sumatra Island Reviewed

Yanase A., Yasunaga K., Masunaga H.

EARTH AND SPACE SCIENCE Vol. 4 ( 3 ) page： 117-127 2017.3

A Moist Static Energy Budget Analysis of Quasi 2-day Wave Using Satelite and Reanalsyis Data Reviewed

Sumi, Y. and H. Masunaga

Vol. 73 page： 743-759 2016

Convective and large-scale mass flux profiles over tropical oceans determined from synergistic analysis of a suite of satellite observations Reviewed

Masunaga, H., and Z. J. Luo

J. Geophys. Res. Atmos Vol. 121 2016

Assessment of a Satellite-based Atmospheric Budget Analysis Method with CINDY2011/DYNAMO/AMIE and TOGA COARE Sounding Array Data Reviewed

Masunaga, H.

J. Meteor. Soc. Japan Vol. 93A page： 21-40 2015

Assessment of the consistency among global microwave land surface emissivity products Reviewed

Norouzi,H., M. Temimi, C. Prigent, J. Turk, R. Khanbilvardi, Y. Tian, F. A. Furuzawa, and H. Masunaga

Atmos. Meas. Tech. Vol. 8 page： 1197-1205 2015

Early evaluation of Ku- and Ka-band sensitivities for the Global Precipitation Measurement (GPM) Dual-frequency Precipitation Radar (DPR) Reviewed

Toyoshima, K., H. Masunaga, and F. A. Furuzawa

SOLA Vol. 11 page： 14-17 2015

Free-tropospheric moisture convergence and tropical convective regimes Reviewed

Masunaga, H.

Geophys. Res. Lett. Vol. 41 page： 8611-8618 2014.12

A mechanism of tropical convection inferred from observed variability in the moist static energy budget Reviewed

Masunaga, H., and Tristan S. L'Ecuyer

J. Atmos. Sci. Vol. 71 page： 3747-3766 2014

The potential roles of background surface wind in the SST variability associated with intraseasonal oscillations Reviewed

Kanemaru, K. and H. Masunaga

J. Climate Vol. 27 page： 7053-7068 2014

Quantifying uncertainties in land surface microwave emissivity retrievals Reviewed

Tian, Y., C. Peters-Lidard , K. W. Harrison, C. Prigent, H. Norouzi, F. Aires, S.-A. Boukabara, F. A. Furuzawa, and H. Masunaga

IEEE Trans. Geosci. Remote Sens. Vol. 52 page： 829-840 2014

A satellite study of tropical moist convection and environmental variability: A moisture and thermal budget analysis Reviewed

Masunaga, H.

J. Atmos. Sci. Vol. 70 page： 2443-2466 2013

A satellite study of the relationship between sea surface temperature and column water vapor over tropical and subtropical oceans Reviewed

Kanemaru, K. and H. Masunaga

J. Climate Vol. 26 page： 4204-4218 2013

An evaluation of microwave land surface emissivities over the continental United States to benefit GPM-era precipitation algorithms Reviewed

Ferraro, R., C. Peters-Lidard , C. Hernandez, F. J. Turk, F. Aires, C. Prigent, X. Lin, S.-A. Boukabara, F. Furuzawa, K. Gopalan, K. Harrison, F. Karbou, L. Li, C. Li, H. Masunaga, L. Moy, S. Ringerud, G. Skofronik-Jackson, Y. Tian, and N.-Y. Wang

IEEE Trans. Geosci. Remote Sens. Vol. 51 page： 378-398 2013

Aerosol effects on cumulus congestus population over the tropical Pacific: A cloud-resolving modeling study Reviewed

Li, X., W.-K. Tao, H. Masunaga, G. Gu, and X. Zeng

J. Meteor. Soc. Japan Vol. 91 page： 817-833 2013

Analysis of cloud properties associated with tropical convection in climate models and satellite data Reviewed

Ichikawa, H., H. Masunaga, Y. Tsushima, and H. Kanzawa

Journal of the Meteorological Society of Japan Vol. 90 page： 629-646 2012

Short-term versus climatological relationship between precipitation and tropospheric humidity Reviewed

Hirohiko Masunaga

Journal of Climate Vol. 25 page： 7983-7990 2012

Reproducibility by climate models of cloud radiative forcing associated with tropical convection Reviewed

Ichikawa, H., H. Masunaga, Y. Tsushima, and H. Kanzawa

Journal of Climate Vol. 25 page： 1247-1262 2012

A satellite study of the atmospheric forcing and response to moist convection over tropical and subtropical oceans Reviewed

Hirohiko Masunaga

Journal of the Atmospheric Sciences Vol. 69 page： 150-167 2012

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

Satellite data are analyzed to explore the thermodynamic evolution of tropical and subtropical atmospheres
prior and subsequent to moist convection in order to offer an observational test bed for convective adjustment,
which is central to the quasi-equilibrium hypothesis. Tropical Rainfall Measuring Mission (TRMM)
and Aqua satellite measurements are projected onto a composite temporal sequence over an hourly to daily
time scale by exploiting the temporal gap between the local satellite overpasses, which changes from one day
to another. The atmospheric forcing and response to convection are investigated separately for deep convective
and congestus clouds. In the deep tropics, systematic moisture transport from the atmospheric
boundary layer (ABL) to the free troposphere is evident in association with deep convection. The quick ABL
ventilation suggests a swift convective adjustment but is preceded by a steady buildup ofABLmoisture, which
does not imply continuous adjustment to equilibrium. The evolution of convective available potential energy
(CAPE) is controlled not only by the ABL moisture but also largely by a coincident ABL cooling linked with
a bipolar anomaly of tropospheric temperature. The ABL moisture and temperature effects together lead to
a rapid drop of CAPE for 12 h preceding convection, followed by a restoring phase that emerges as the cool
anomaly recovers for a day or two. When moist convection is brought by congestus clouds with no deep
convection nearby, CAPE gently increases over a period of 1-2 days until congestus occurs and then declines
as slowly, suggestive of no efficient convective adjustment. The subtropical atmosphere shows no sign of
convective adjustment whether or not vigorous convection is present.

Equatorial asymmetry of the east Pacific ITCZ: Observational constraints on the underlying processes Reviewed

Masunaga, H. and T. S. L'Ecuyer

J. Climate Vol. 24 page： 1784-1800 2011.3

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Papers - MASUNAGA, Hirohiko