[ncl-talk] How to save time as a dimension when multiplying two matices

[Ipshita Majhi]

Thank you

On Friday, September 12, 2014, Dennis Shea <shea at ucar.edu> wrote:

> a=addfile("~/Documents/Snow_
> cover_IMS/nhsce_v01r01_19661004_20140602.nc","r")
> sce=a->snow_cover_extent
>
> ;print(dimsizes(sce))
>
> sce_area=a->area
>
> B = sce_area
>
>        do i = 0,2486
>          B(i,:,:)=(/ sce(i,:,:)*sce_area(:,:) /)
>        end do
> B at long_name = "sce*sce_area"
>
> xMonthAvg = calculate_monthly_values(B, "avg", 0, False)
>
> On Fri, Sep 12, 2014 at 1:01 PM, Ipshita Majhi <ipmajhi at alaska.edu
> <javascript:_e(%7B%7D,'cvml','ipmajhi at alaska.edu');>> wrote:
>
>> Hi,
>> I am trying to create a new matrix where snow cover extent (sce) which
>> are in bytes is multiplied by area to get the real km2 values. In the
>> process I am loosing the time information. How to save that so that I can
>> create monthly avg.
>> Best Regards
>> Ipshita
>>
>>
>> ; This program is to calculate the area average for snow for all the data
>> period
>> ;*******************************************
>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
>> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
>> ;*******************************************
>>
>> ;To create a new matrix with area values multiplied to the binary values
>> so that we can get
>>
>> a=addfile("~/Documents/Snow_cover_IMS/nhsce_v01r01_19661004_20140602.nc
>> ","r")
>> sce=a->snow_cover_extent
>>
>> ;print(dimsizes(sce))
>>
>> sce_area=a->area
>>
>> B = new((/2487,88,88/),float)
>>
>>        do i = 0,2486
>>          B(i,:,:)=sce(i,:,:)*sce_area(:,:)
>>        end do
>>
>> xMonthAvg = calculate_monthly_values(B, "avg", 0, False)
>>
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>
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