TransportTracers simulation
Overview
The GEOS-Chem Rn-Pb-Be simulation was based on that of the old Harvard/GISS CTM model. In version 12.2.0, this simulation was extended to include additional passive species for benchmarking purposes and for diagnosing transport in GEOS-Chem. At this time the simulation was renamed to the TransportTracers simulation.
In GEOS-Chem 14.2.0, the TransportTracers simulation was further modified so that species names and definitions are now consistent with GMAO’s tracer gridded component (aka TR_GridComp). This will facilitate comparison of transport within GEOS-Chem, GCHP, and GEOS.
Reference Liu, H., D. Jacob, I. Bey, and R.M. Yantosca, Constraints from 210Pb and 7Be on wet deposition and transport in a global three-dimensional chemical tracer model driven by assimilated meteorological fields, J. Geophys. Res, 106, D11, 12109-12128, 2001.
List of species
Species |
Description |
Formula |
MW (g) |
|---|---|---|---|
Rn222 |
Radon-222 isotope |
Rn222 |
222.0 |
Pb210 |
Lead-210 isotope |
Pb210 |
210.0 |
Pb210s |
Lead-210 isotope stratospheric-source tracer |
Pb210 |
210.0 |
Be7 |
Beryllium-7 isotope |
Be7 |
7.0 |
Be7s |
Beryllium-7 isotope stratospheric-source tracer |
Be7 |
7.0 |
Be10 |
Beryllium-10 isotope |
Be10 |
10.0 |
Be10s |
Beryllium-10 isotope stratospheric-source tracer |
Be10 |
10.0 |
aoa |
Age of air uniform source tracer |
not listed |
1.0 |
aoa_bl |
Age of air uniform source tracer with sink restricted to the boundary layer |
not listed |
1.0 |
aoa_nh |
Age of air uniform source tracer with surface sink restricted to a zone in the northern hemisphere |
not listed |
1.0 |
CH3I |
Methyl iodide |
CH3I |
141.94 |
CO_25 |
Anthropogenic CO 25 day tracer |
CO |
28.01 |
CO_50 |
Anthropogenic CO 50 day tracer |
CO |
28.01 |
e90 |
Constant burden 90 day tracer |
not listed |
1.0 |
e90_n |
Constant burden Northern Hemisphere 90 day tracer |
not listed |
1.0 |
e90_s |
Constant burden Southern Hemisphere 90 day tracer |
not listed |
1.0 |
nh_5 |
Northern Hemisphere 5 day tracer |
not listed |
1.0 |
nh_50 |
Northern Hemisphere 50 day tracer |
not listed |
1.0 |
PassiveTracer |
Passive tracer for mass conservation evaluation |
not listed |
1.0 |
SF6 |
Sulfur hexafluoride |
SF6 |
146.06 |
st80_25 |
Stratosphere source 25 day tracer |
not listed |
1.0 |