Dear Jonathan,
Thanks for you reply and sorry for my delayed response. For some reason
I did not receive any mails posted to list, not even my own post. After
switching digest mode off everything seems to work again.
I think a variable of the form change_in_land_ice_amount [kg m-2] would
be appropriate, since my dataset describes the amount of land ice with
reference to an arbitrary level. The description of the standard name
global_average_sea_level_change includes the sentence: "Zero sea level
change is an arbitrary level.". An equivalent phrase ("Zero change in
land ice amount is an arbitrary level.") added to the description of a
potential standard name change_in_land_ice_amount would unambiguously
describe the dataset I am working on.
How could such a new standard name be defined and added to the conventions?
Best regards,
Andreas
On 24.02.2016 11:08, [email protected] wrote:
Message: 3
Date: Thu, 18 Feb 2016 14:58:46 +0000
From: Jonathan Gregory <[email protected]>
To: [email protected]
Subject: [CF-metadata] ice mass change standard name
Message-ID: <[email protected]>
Content-Type: text/plain; charset=iso-8859-1
Dear Andreas
We have a couple of standard_names of
the form change_in_X and a few of the form X_anomaly (meaning difference
from climatology). These are included for the kind of reason you
mention. Do you think such a name for land ice amount would be
appropriate for your need?
Best wishes Jonathan
----- Forwarded message from Andreas Groh <[email protected]> -----
>Date: Thu, 18 Feb 2016 15:50:05 +0100
>From: Andreas Groh<[email protected]>
>To:[email protected]
>Subject: [CF-metadata] ice mass change standard name
>User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101
> Thunderbird/38.5.1
>
>Dear all,
>
>I am working on the determination of changes in continental ice mass
>(mainly over the ice sheets in Greenland and Antarctica) from
>satellite gravimetry data. The final product is a time series of
>grids representing the ice mass relative to an arbitrarily chosen
>reference value. A widely used reference value is the mean over the
>entire time series. The unit is [kg m-2] (or mm water equivalent).
>Now I want to distribute these data as a netcdf file which is in
>agreement with the CF Conventions (v1.6). Unfortunately I cannot
>find a suitable standard name for my data set.
>For sea ice the standard name sea_ice_amount describes the mass of
>sea ice per unit area. This is equivalent to the my land ice data
>set. Hence, a standard name land_ice_amount could adequately
>describe my data set. But it might also be misleading, since the
>data are given relative to a reference value and do not provide
>information on the absolute amount of land ice.
>Has anybody experience with data sets on the change in land ice
>masses and how to label these data with the correct standard name?
>Any help or comment is appreciated.
>
>Thanks and best regards,
>
>Andreas
--
-----------------------------------
Dr.-Ing. Andreas Groh
Institut für Planetare Geodäsie
Geodätische Erdsystemforschung
Technische Universität Dresden
D-01062 Dresden, Germany
phone : +49-351-463.33416
fax : +49-351-463.37063
email : [email protected]
web : tu-dresden.de/geo/ipg/gef
-----------------------------------
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