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Nested Model Working Group

The 7th International GEOS-Chem User’s Meeting4 May 2015

 Yuxuan Wang

Texas A&M/Tsinghua

Jun Wang

U. of Nebraska-Lincoln

Lin Zhang

Peking U.

Co-chairs:

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The nested-grid GE!-Che"

Global4°× 5°

2°×2.5°

Nested domain1°× 1° (GEOS-3) (Y.X. Wan etal.! 2""4)

1#2°× 2#3° (GEOS-5)1#4°× 5#1$° (GEOS-%&)

C#

E$N%

&unning GE!-Che" at the nati'e GE! grid resolution o'er nested do"ains

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()*+,)(.+ nested "odel: % "a/or de'elop"ent since 0GC.

Joint work b !ar"ar#$ %alhousie$ Tsinghua$ Peking$ ollongong'

Pro"i#e# near-real-ti(e #ata analses of the )*A+,) ca(aign'

etter reresents the heterogeneit in toograh$ e(ission$ an# s(all-scaletransort.

1aren Yu2 #ar'ard

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North China 3lain 4Jul5 67(*8

 Yangt9e &i'er elta

3earl &i'er elta

The ()*+ nested-grid

"odel has lo;er

<iases and higher

correlation in

si"ulating

su""erti"e 3M6= inChina=

4poster <5 Y= Yao et

al=2 Tsinghua $8

>ias reduction is

largest o'er coastal

regions=

()*+,)(.+ nested "odel

o'er China

Le# b 0.1. ang$

Tsinghua U..

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()*+,)(.+()*+,)(.+ o'er

northern China

?

N#*@

!*6-

N?-

6+,6=+Model

si"ulations in

June 67(?

!u<-do"ain ;ithin the nested-grid do"ain

 A## a flexible buffer 2one to run 3/,4 si(ulation o"er a s(aller #o(ain for

sa"ing co(utational ti(e'

Le# b L. 5hang$ Peking U..

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0"ple"enting the A0NN Bire e"issions 67NN 86ire 7N"entor fro( N+A9: %ail$ 3 k( resolution oen burning

e(issions for regional an# global che(ical transort (o#els'

Le# b J. ang$ U. of Nebraska-Lincoln'

!a"e rocesse# the whole 67NN e(issions 8;<<;-;<3,9.

4poster <5 J= Zhu

et al=2 $= oB

Ne<raska-

Lincoln8

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T;o-;a5 nesting "odel de'elop"ent

=lobal ;4>;.?4 coule# with three

neste#-gri# #o(ains at 3/;4> ;/@4

resolution 80.0. 0an$ A+P ;<3,9'

%e"eloe# b J.T. Lins grou$ Peking

U.' Presentation b 0.0. 0an et al.

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ngoing nested-grid "odel de'elop"ents

ench(ark of the NA neste#-gri# si(ulations 8le# b J. ang$ U. of

NebraskaBLincoln9'

Neste#-gri# (o#el with =*C)-6P at 3/;4 > ?/D4 resolution 8Eoint

#e"elo(ent b Tsinghua$ NebraskaBLincoln$ Peking$ an# %alhousie9'

Neste#-gri# (o#el o"er Africa 8ongoing work b *. Marais$ !ar"ar#

an# M. *"ans$ 0ork9

...

Nested Model WG: %a ;$ ,:@<-?:?< ($ Pierce 3<<6

To Eoin e(ail list sen# e(ail to:

geos-che(-regional-EoinFseas.har"ar#.e#u

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Nested "odel talks and posters at 0GC

a5 (2 ?:67p": 7sorene nitrate che(istr in the )outheast U): +onstraints

fro( =*C)-+he( & )*A+,) 8Jenn 6isher$ U. ollongong9

a5 62 D:77a": %rought effects on o2one an# PM;.? 80uxuan ang$ Texas A&M an# Tsinghua9

a5 62 6:(7p": *sti(ating global an# North A(erican (ethane e(issions

using =C)AT 8Alexan#er Turner$ !ar"ar#9

a5 ? ((:(7a": GAP*+ lue in North +hina si(ulate# with the high

resolution neste# =*C)-+he( (o#el 80ixuan =u$ +hinese Aca#e( of)ciences9

a5 *2 D:77a": 7(act of gri# resolution on troosheric che(istr

si(ulation constraine# b obser"ations fro( the )*A+,) aircraft

ca(aign 8Haren 0u$ !ar"ar#9

%=: )u((er articulate (atter si(ulation in +hina with high resolution

neste# =*C)-+he( (o#el 80u 0ao$ Tsinghua9

%=6(: 7nter-regional transort of o2one ollution o"er +hina 8Jinguan )hao$

Peking U.9

%nd "oreF