SAM model output files from A. Chandra, P. Zuidema, S. Krueger, A. Kochanski, S. P. de Szoeke and J. Zhang,2018:

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Description

This data set contains two sets of cloud-resolving simulations using the System for Atmospheric Modeling (SAM - http://rossby.msrc.sunysb.edu/~marat/SAM.html) which contributed to the analysis found in Chandra et al., 2018, "Moisture distributions in tropical cold pools from equatorial Indian Ocean observations and cloud-resolving simulations”, Journal of Geophysical Research. The model output files were originally created by Adam Kochanski and Steve Krueger at the University of Utah. One simulation set is centered on Gan Island (0.65S, 73.15E), in the equatorial Indian Ocean, and the other simulation set is centered on the Research Ship Roger Revelle, stationed approximately 1000 km to the island’s east (0, 80E). The Gan Island simulations span 8-16 October and 18-25 December of 2011, while the Revelle simulations span 2 October - 1 November, 2011. They are five-minute output, from a doubly-periodic 256 km by 256 km domain with a one-km horizontal grid spacing and 67 vertical levels. The simulations incorporate a new turbulence closure named Simplified Higher Order Closure (SHOC) and a two-moment microphysical scheme (Morrison et al., 2005). More model description can be found in Chandra et al., 2018.

Document Type

Data Set

Publication Date

2018

Publisher

University of Miami

DOI

https://doi.org/10.17604/5D4A-QJ11

City

Coral Gables

Keywords

SAM tropical cloud-resolving; DYNAMO; equatorial Indian Ocean atmospheric modeling

Disciplines

Atmospheric Sciences

Comments

The data can be only be downloaded as individual files with a naming convention as described below.The main download link is simply a copy of a README.txt file that contains the description of the dataset. Note that the data files are sequential in time and contain the same variable sets in all the netCDF files. Each zipped netCDF file contains slightly more than three days of data.

The six Gan files follow the naming convention:

GAN_SHOCB8_[spatial resolution][number of vertical levels]_4s_[first julian day]-[last julian day]_32.2Dcom_[replicate].nc

The nine Revelle files follow the naming convention:

REVELLE_SHOCB8_[spatial resolution][number of vertical levels]_4s_[first julian day]-[last julian day]_32.2Dcom_[replicate].nc

where: SHOC=Simplified Higher Order Closure

B8= beta version 8

4s= model time step

32&64= number of cpus applied

2D= x-y fields

com=compressed binary

References: Morrison, H., J. A. Curry, and V. I. Khvorostyanov (2005), A new double-moment physics parameterization for application in cloud and climate models. Part I: Description., J. Atm. Sci., 62, 1665–1677.

Point of Contact:

Steve Krueger (steve.krueger@utah.edu); Adam Kochanski (adam.kochanski@utah.edu); Paquita Zuidema (pzuidema@miami.edu)

License:

This data is made available under the Open Data Commons Attribution License: http://opendatacommons.org/licenses/by/.

SAM model output files from A. Chandra, P. Zuidema, S. Krueger, A. Kochanski, S. P. de Szoeke and J. Zhang,2018:

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