Index of /tx_bc
Name Last modified Size Description
Parent Directory 05-Mar-2008 11:59 -
cmax.boundary.cb4.17layer.texas_8hrsip.2000_081800-090624.no_obs_adjust.bin 15-Aug-2005 17:03 137M
cmax.boundary.cb4.17layer.texas_8hrsip.2000_081800-090624.obs_adjusted.bin 15-Aug-2005 17:03 137M
cmax.boundary.saprc99.17layer.texas_8hrsip.2000_081800-090624.obs_adjusted.bin 19-Aug-2005 11:47 223M
The attached file "cmax.boundary.cb4.17layer.texas_8hrsip.2000_081800-090624.obs_adjusted.bin" is prepared by Georgia Tech as boundary inputs to CAMx for the episode of August 18th ~ Sep 6th,2000 in the Texas's Regional Domain (8 hour SIP).
The specifications of this file are:
(1) Map Projection: Lambert Conformal Conic with Alpha=30N,Beta=60N,Gama=100W, centered at (100W,40N).
(2) Grid Defintiton: Originated at (-108.0km,-1584.0km), Ncols=69,nrows=67, cell size = 36km.
(3) 16 CB4 species: O3,CO,NO,NO2,HNO3,HNO2,ALD2,ETH,HCHO,OLE,PAR,TOL,XYL,ISOP,PAN,H2O2
(4) 17 vertcal layers: top and mid point for each layer are:
33.9,16.9
85.0,59.4
170.6,127.7
256.9,213.7
344.0,300.4
431.8,387.8
520.3,476.0
609.7,564.9
790.6,700.0
1068.2,929.3
1353.4,1210.6
2103.3,1728.1
3026.3,2564.5
4106.4,3565.9
5835.9,4970.9
9166.6,7501.3
15179.1,12172.9
(5) Time period: For the year of 2000, each hour starting from August 18th 00:00, ending at September 6th 24:00.
The attached file "cmax.boundary.sarpc99.17layer.texas_8hrsip.2000_081800-090624.obs_adjusted.bin" contains the following 26 SAPRC99 species: O3,CO,NO,NO2,HNO3,HONO,CCHO,RCHO,BALD,ETHE,HCHO,OLE1,OLE2,ALK1,ALK2,ALK3,ALK4,ALK5,ARO1,ARO2,ISOP,PAN,HO2H,CRES,PHEN,MGLY. The follwing factors are used to map CB4 VOC speceis to SAPRC99 VOC speceis:
saprc99 cb4 factor
CCHO ALD2 0.90
RCHO ALD2 0.038
BALD ALD2 0.021
ETHE ETH 1.0
HCHO FORM 1.0
OLE1 OLE 0.35
OLE2 OLE 0.018
ALK1 PAR 0.26
ALK2 PAR 0.13
ALK3 PAR 0.012
ALK4 PAR 0.00054
ALK5 PAR 0.00024
ARO1 TOL 0.93
ARO2 XYL 0.89
ISOP ISOP 1.0
CRES CRES 0.5
PHEN CRES 0.57
MGLY MGLY 1.0