How to extract the station you need in CMADS
Source:IWHRAuthor:Xianyong MengLink:http://www.cmads.orgViews:280times

1. Download CMADS.7z and Find out the CMADSV1.0station.zip in CMADS folder, open CMADSV1.0.mxd using Arcmap. (The initial geographic coordinates of the map are:GCS_WGS_1984 Datum: D_WGS_1984).


Figure.1 Add map

3.Click the zoom button to enlarge the target area (Because the site is too much, you'd better click the zoom button, so that the machine can read the station more smoother, Of course, Before zoom operation, don't forget to remove the check mark of theCMADS1.0 check box )(See Figure. 2).


Figure.2 Zoom map


4.After you zoom in the research area, select the check box(CMADS 1.0) again and .Select attributes of CMADS1.0 layer and lable the CMADSstation name (See Figure. 3).


Figure. 3 Lable CMADS station name



5.We can now select the CMADS station which included in the study area (you can find the station in Catalog \For-swat-2009\ and \For-swat 2012\). In this case, we considered the selected Station contain from 137-60 to 137-73, from 136-60 to 136-73, from 135-60 to 135-73, from 134-60 to 134-73 and from 133-60 to 133-73.


6.We now select these stations from the Fork index table and create the user's own index table. We will find the index table for all weather elements in the \FORK\ directory (Don't forget to paste the header in this step 'ID, NAME, LAT, LONG, ELEVATION') (See Figure. 4).


Figure. 4 Make user index table


The result in this case is:

....................................

ID,NAME,LAT,LONG,ELEVATION

39660,P133-60,43.98725,79.67825,495

39661,P133-61,43.98725,80.01125,544

39662,P133-62,43.98725,80.34425,587

39663,P133-63,43.98725,80.67725,584

39664,P133-64,43.98725,81.01025,611

39665,P133-65,43.98725,81.34325,698

39666,P133-66,43.98725,81.67625,968

39667,P133-67,43.98725,82.00925,1190

....................................

7.Place all of the above meteorological stations and index tables (*fork.txt) in the same folder (See See Figure 5).


Figure.5 Prepare the file


8. Create site location file‘ wgnstation.txt ’(See below).(Select any point in the  study area is okey and this case we selected the station 135-67)

........................................

ID,NAME,LAT,LONG,ELEVATION

38,CMADS13567,43.98,86.67,950

........................................



9.Then, we add the 135-67 site location information to userwgn (See figure.6)(In addition to the site location information, other data can be filled arbitrary).


Figure.6 Fill the userwgn according to wgnstation.txt


10.Finally, load the station table and index table.


Figure.7 Load data


(Note: The loading process of the SWAT2012 model is similar to SWAT2009)












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