Dear CF-Meta Mailinglist,

As mentioned in the previous e-mail I would like to propose further nitrogen-related standard names and two corrections. The full definitions are attached in the end of this e-mail and as csv file.


In the last CF standard name update the two names

tendency_of_atmosphere_mass_content_of_nitrogen_due_to_dry_deposition tendency_of_atmosphere_mass_content_of_nitrogen_due_to_wet_deposition

were added.

I realized that I made a typo in the descriptions. "nitrage" needs to be changed to "nitrate" in the description of both standard names.


Based on these two names, I propose the following new standard names:
( 1) tendency_of_atmosphere_mass_content_of_oxidized_nitrogen_due_to_deposition ( 2) tendency_of_atmosphere_mass_content_of_reduced_nitrogen_due_to_deposition ( 3) tendency_of_atmosphere_mass_content_of_oxidized_nitrogen_due_to_dry_deposition ( 4) tendency_of_atmosphere_mass_content_of_reduced_nitrogen_due_to_dry_deposition ( 5) tendency_of_atmosphere_mass_content_of_oxidized_nitrogen_due_to_wet_deposition ( 6) tendency_of_atmosphere_mass_content_of_reduced_nitrogen_due_to_wet_deposition ( 7) tendency_of_ocean_mole_content_of_reduced_nitrogen_due_to_deposition ( 8) tendency_of_ocean_mole_content_of_oxidized_nitrogen_due_to_deposition ( 9) tendency_of_ocean_mole_content_of_reduced_nitrogen_due_to_dry_deposition (10) tendency_of_ocean_mole_content_of_oxidized_nitrogen_due_to_dry_deposition (11) tendency_of_ocean_mole_content_of_reduced_nitrogen_due_to_wet_deposition (12) tendency_of_ocean_mole_content_of_oxidized_nitrogen_due_to_wet_deposition

There exists already a variable called

tendency_of_atmosphere_mass_content_of_noy_expressed_as_nitrogen_due_to_dry_deposition

which is similar to the proposed "oxidized_nitrogen" standard names. However, "noy" commonly denotes gaseous species whereas "oxidized_nitrogen" denotes gaseous and particulate species.

Reason for (1) to (6): For marine ecosystem modelling, reduced and oxizied nitrogen compounds need to be distinguished. Atmospheric deposition is one source for marine nitrogen compounds.

Reason for (7) to (12): Consistency. New names (1) to (6) are for the output files of chemistry transport models, whereas (7) to (12) are for input files of marine biogeochemical models.


Cheers,
Daniel


Full standard name definitions (also attached in tab-separated file new_names_nitrogen.csv):

tendency_of_atmosphere_mass_content_of_oxidized_nitrogen_due_to_deposition
kg m-2 s-1
"Content" indicates a quantity per unit area. The "atmosphere content" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including "content_of_atmosphere_layer" are used. "tendency_of_X" means derivative of X with respect to time. The specification of a physical process by the phrase "due_to_" process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. "Deposition" is the sum of wet and dry deposition. Usually, particle bound and gaseous nitrogen compounds, such as nitrogen monoxide (NO), nitrogen dioxide (NO2), dinitrogen pentoxide (N2O5), nitric acid (HNO3), nitrate (NO3-), peroxynitric acid (HNO4), bromine nitrate (BrONO2), chlorine nitrate (ClONO2) and organic nitrates (most notably peroxyacetyl nitrate, sometimes referred to as PAN, (CH3COO2NO2)), are included. The list of individual species that are included in this quantity can vary between models. Where possible, the data variable should be accompanied by a complete description of the species represented, for example, by using a comment attribute.

tendency_of_atmosphere_mass_content_of_reduced_nitrogen_due_to_deposition
kg m-2 s-1
"Content" indicates a quantity per unit area. The "atmosphere content" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including "content_of_atmosphere_layer" are used. "tendency_of_X" means derivative of X with respect to time. The specification of a physical process by the phrase "due_to_" process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. "Deposition" is the sum of wet and dry deposition. "reduced_nitrogen" summarizes all chemical species containing reduced nitrogen atoms. Usually, particle bound and gaseous nitrogen compounds, primarily ammonium (NH4+) and ammoina (NH3), are included. The list of individual species that are included in this quantity can vary between models. Where possible, the data variable should be accompanied by a complete description of the species represented, for example, by using a comment attribute.

tendency_of_atmosphere_mass_content_of_oxidized_nitrogen_due_to_dry_deposition
kg m-2 s-1
"Content" indicates a quantity per unit area. The "atmosphere content" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including "content_of_atmosphere_layer" are used. "tendency_of_X" means derivative of X with respect to time. The specification of a physical process by the phrase "due_to_" process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. "dry_deposition" is the sum of turbulent deposition and gravitational settling. "oxidized_nitrogen" summarizes all chemical species containing oxidized nitrogen atoms. Usually, particle bound and gaseous nitrogen compounds, such as nitrogen monoxide (NO), nitrogen dioxide (NO2), dinitrogen pentoxide (N2O5), nitric acid (HNO3), nitrate (NO3-), peroxynitric acid (HNO4), bromine nitrate (BrONO2), chlorine nitrate (ClONO2) and organic nitrates (most notably peroxyacetyl nitrate, sometimes referred to as PAN, (CH3COO2NO2)), are included. The list of individual species that are included in this quantity can vary between models. Where possible, the data variable should be accompanied by a complete description of the species represented, for example, by using a comment attribute.

tendency_of_atmosphere_mass_content_of_reduced_nitrogen_due_to_dry_deposition
kg m-2 s-1
"Content" indicates a quantity per unit area. The "atmosphere content" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including "content_of_atmosphere_layer" are used. "tendency_of_X" means derivative of X with respect to time. The specification of a physical process by the phrase "due_to_" process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. "dry_deposition" is the sum of turbulent deposition and gravitational settling. "reduced_nitrogen" summarizes all chemical species containing reduced nitrogen atoms. Usually, particle bound and gaseous nitrogen compounds, primarily ammonium (NH4+) and ammoina (NH3), are included. The list of individual species that are included in this quantity can vary between models. Where possible, the data variable should be accompanied by a complete description of the species represented, for example, by using a comment attribute.

tendency_of_atmosphere_mass_content_of_oxidized_nitrogen_due_to_wet_deposition
kg m-2 s-1
"Content" indicates a quantity per unit area. The "atmosphere content" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including "content_of_atmosphere_layer" are used. "tendency_of_X" means derivative of X with respect to time. The specification of a physical process by the phrase "due_to_" process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. "wet_deposition" means deposition by precipitation. "oxidized_nitrogen" summarizes all chemical species containing oxidized nitrogen atoms. Usually, particle bound and gaseous nitrogen compounds, such as nitrogen monoxide (NO), nitrogen dioxide (NO2), dinitrogen pentoxide (N2O5), nitric acid (HNO3), nitrate (NO3-), peroxynitric acid (HNO4), bromine nitrate (BrONO2), chlorine nitrate (ClONO2) and organic nitrates (most notably peroxyacetyl nitrate, sometimes referred to as PAN, (CH3COO2NO2)), are included. The list of individual species that are included in this quantity can vary between models. Where possible, the data variable should be accompanied by a complete description of the species represented, for example, by using a comment attribute.

tendency_of_atmosphere_mass_content_of_reduced_nitrogen_due_to_wet_deposition
kg m-2 s-1
"Content" indicates a quantity per unit area. The "atmosphere content" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including "content_of_atmosphere_layer" are used. "tendency_of_X" means derivative of X with respect to time. The specification of a physical process by the phrase "due_to_" process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. "wet_deposition" means deposition by precipitation. "reduced_nitrogen" summarizes all chemical species containing reduced nitrogen atoms. Usually, particle bound and gaseous nitrogen compounds, primarily ammonium (NH4+) and ammoina (NH3), are included. The list of individual species that are included in this quantity can vary between models. Where possible, the data variable should be accompanied by a complete description of the species represented, for example, by using a comment attribute.

tendency_of_ocean_mole_content_of_reduced_nitrogen_due_to_deposition
mol m-2 s-1
"Content" indicates a quantity per unit area. The "ocean content" of a quantity refers to the vertical integral from the surface to the bottom of the ocean. "tendency_of_X" means derivative of X with respect to time. The specification of a physical process by the phrase due_to_process means that the quantity named is asingle term in a sum of terms which together compose the general quantity named by omitting the phrase. Deposition of nitrogen into the ocean is the sum of dry and wet deposition of the considered species onto the ocean surface from the atmosphere. "reduced_nitrogen" summarizes all chemical species containing reduced nitrogen atoms. Usually, particle bound and gaseous nitrogen compounds, primarily ammonium (NH4+) and ammoina (NH3), are included. The list of individual species that are included in this quantity can vary between models. Where possible, the data variable should be accompanied by a complete description of the species represented, for example, by using a comment attribute.

tendency_of_ocean_mole_content_of_oxidized_nitrogen_due_to_deposition
mol m-2 s-1
"Content" indicates a quantity per unit area. The "ocean content" of a quantity refers to the vertical integral from the surface to the bottom of the ocean. "tendency_of_X" means derivative of X with respect to time. The specification of a physical process by the phrase due_to_process means that the quantity named is asingle term in a sum of terms which together compose the general quantity named by omitting the phrase. Deposition of nitrogen into the ocean is the sum of dry and wet deposition of the considered species onto the ocean surface from the atmosphere. "oxidized_nitrogen" summarizes all chemical species containing oxidized nitrogen atoms. Usually, particle bound and gaseous nitrogen compounds, such as nitrogen monoxide (NO), nitrogen dioxide (NO2), dinitrogen pentoxide (N2O5), nitric acid (HNO3), nitrate (NO3-), peroxynitric acid (HNO4), bromine nitrate (BrONO2), chlorine nitrate (ClONO2) and organic nitrates (most notably peroxyacetyl nitrate, sometimes referred to as PAN, (CH3COO2NO2)), are included. The list of individual species that are included in this quantity can vary between models. Where possible, the data variable should be accompanied by a complete description of the species represented, for example, by using a comment attribute.

tendency_of_ocean_mole_content_of_reduced_nitrogen_due_to_dry_deposition
mol m-2 s-1
"Content" indicates a quantity per unit area. The "ocean content" of a quantity refers to the vertical integral from the surface to the bottom of the ocean. "tendency_of_X" means derivative of X with respect to time. The specification of a physical process by the phrase due_to_process means that the quantity named is asingle term in a sum of terms which together compose the general quantity named by omitting the phrase. "dry_deposition" is the sum of turbulent deposition and gravitational settling of the considered species onto the ocean surface from the atmosphere. "reduced_nitrogen" summarizes all chemical species containing reduced nitrogen atoms. Usually, particle bound and gaseous nitrogen compounds, primarily ammonium (NH4+) and ammoina (NH3), are included. The list of individual species that are included in this quantity can vary between models. Where possible, the data variable should be accompanied by a complete description of the species represented, for example, by using a comment attribute.

tendency_of_ocean_mole_content_of_oxidized_nitrogen_due_to_dry_deposition
mol m-2 s-1
"Content" indicates a quantity per unit area. The "ocean content" of a quantity refers to the vertical integral from the surface to the bottom of the ocean. "tendency_of_X" means derivative of X with respect to time. The specification of a physical process by the phrase due_to_process means that the quantity named is asingle term in a sum of terms which together compose the general quantity named by omitting the phrase. "dry_deposition" is the sum of turbulent deposition and gravitational settling of the considered species onto the ocean surface from the atmosphere. "oxidized_nitrogen" summarizes all chemical species containing oxidized nitrogen atoms. Usually, particle bound and gaseous nitrogen compounds, such as nitrogen monoxide (NO), nitrogen dioxide (NO2), dinitrogen pentoxide (N2O5), nitric acid (HNO3), nitrate (NO3-), peroxynitric acid (HNO4), bromine nitrate (BrONO2), chlorine nitrate (ClONO2) and organic nitrates (most notably peroxyacetyl nitrate, sometimes referred to as PAN, (CH3COO2NO2)), are included. The list of individual species that are included in this quantity can vary between models. Where possible, the data variable should be accompanied by a complete description of the species represented, for example, by using a comment attribute.

tendency_of_ocean_mole_content_of_reduced_nitrogen_due_to_wet_deposition
mol m-2 s-1
"Content" indicates a quantity per unit area. The "ocean content" of a quantity refers to the vertical integral from the surface to the bottom of the ocean. "tendency_of_X" means derivative of X with respect to time. The specification of a physical process by the phrase due_to_process means that the quantity named is asingle term in a sum of terms which together compose the general quantity named by omitting the phrase. "wet_deposition" means deposition by precipitation. "reduced_nitrogen" summarizes all chemical species containing reduced nitrogen atoms. Usually, particle bound and gaseous nitrogen compounds, primarily ammonium (NH4+) and ammoina (NH3), are included. The list of individual species that are included in this quantity can vary between models. Where possible, the data variable should be accompanied by a complete description of the species represented, for example, by using a comment attribute.

tendency_of_ocean_mole_content_of_oxidized_nitrogen_due_to_wet_deposition
mol m-2 s-1
"Content" indicates a quantity per unit area. The "ocean content" of a quantity refers to the vertical integral from the surface to the bottom of the ocean. "tendency_of_X" means derivative of X with respect to time. The specification of a physical process by the phrase due_to_process means that the quantity named is asingle term in a sum of terms which together compose the general quantity named by omitting the phrase. "wet_deposition" means deposition by precipitation. "oxidized_nitrogen" summarizes all chemical species containing oxidized nitrogen atoms. Usually, particle bound and gaseous nitrogen compounds, such as nitrogen monoxide (NO), nitrogen dioxide (NO2), dinitrogen pentoxide (N2O5), nitric acid (HNO3), nitrate (NO3-), peroxynitric acid (HNO4), bromine nitrate (BrONO2), chlorine nitrate (ClONO2) and organic nitrates (most notably peroxyacetyl nitrate, sometimes referred to as PAN, (CH3COO2NO2)), are included. The list of individual species that are included in this quantity can vary between models. Where possible, the data variable should be accompanied by a complete description of the species represented, for example, by using a comment attribute.



--
Daniel Neumann

Leibniz Institute for Baltic Sea Research Warnemuende
Physical Oceanography and Instrumentation
Seestrasse 15
18119 Rostock
Germany

phone: +49-381-5197-287
fax: +49-381-5197-114 or 440
e-mail: daniel.neum...@io-warnemuende.de
standard_name   unit    description
tendency_of_atmosphere_mass_content_of_oxidized_nitrogen_due_to_deposition      
kg m-2 s-1      "Content" indicates a quantity per unit area. The "atmosphere 
content" of a quantity refers to the vertical integral from the surface to the 
top of the atmosphere. For the content between specified levels in the 
atmosphere, standard names including "content_of_atmosphere_layer" are used. 
"tendency_of_X" means derivative of X with respect to time. The specification 
of a physical process by the phrase "due_to_" process means that the quantity 
named is a single term in a sum of terms which together compose the general 
quantity named by omitting the phrase. "Deposition" is the sum of wet and dry 
deposition. Usually, particle bound and gaseous nitrogen compounds, such as 
nitrogen monoxide (NO), nitrogen dioxide (NO2), dinitrogen pentoxide (N2O5), 
nitric acid (HNO3), nitrate (NO3-), peroxynitric acid (HNO4), bromine nitrate 
(BrONO2), chlorine nitrate (ClONO2) and organic nitrates (most notably 
peroxyacetyl nitrate, sometimes referred to as PAN, (CH3COO2NO2)), are 
included. The list of individual species that are included in this quantity can 
vary between models. Where possible, the data variable should be accompanied by 
a complete description of the species represented, for example, by using a 
comment attribute.
tendency_of_atmosphere_mass_content_of_reduced_nitrogen_due_to_deposition       
kg m-2 s-1      "Content" indicates a quantity per unit area. The "atmosphere 
content" of a quantity refers to the vertical integral from the surface to the 
top of the atmosphere. For the content between specified levels in the 
atmosphere, standard names including "content_of_atmosphere_layer" are used. 
"tendency_of_X" means derivative of X with respect to time. The specification 
of a physical process by the phrase "due_to_" process means that the quantity 
named is a single term in a sum of terms which together compose the general 
quantity named by omitting the phrase. "Deposition" is the sum of wet and dry 
deposition. "reduced_nitrogen" summarizes all chemical species containing 
reduced nitrogen atoms. Usually, particle bound and gaseous nitrogen compounds, 
primarily ammonium (NH4+) and ammoina (NH3), are included. The list of 
individual species that are included in this quantity can vary between models. 
Where possible, the data variable should be accompanied by a complete 
description of the species represented, for example, by using a comment 
attribute. 
tendency_of_atmosphere_mass_content_of_oxidized_nitrogen_due_to_dry_deposition  
kg m-2 s-1      "Content" indicates a quantity per unit area. The "atmosphere 
content" of a quantity refers to the vertical integral from the surface to the 
top of the atmosphere. For the content between specified levels in the 
atmosphere, standard names including "content_of_atmosphere_layer" are used. 
"tendency_of_X" means derivative of X with respect to time. The specification 
of a physical process by the phrase "due_to_" process means that the quantity 
named is a single term in a sum of terms which together compose the general 
quantity named by omitting the phrase. "dry_deposition" is the sum of turbulent 
deposition and gravitational settling. "oxidized_nitrogen" summarizes all 
chemical species containing oxidized nitrogen atoms. Usually, particle bound 
and gaseous nitrogen compounds, such as nitrogen monoxide (NO), nitrogen 
dioxide (NO2), dinitrogen pentoxide (N2O5), nitric acid (HNO3), nitrate (NO3-), 
peroxynitric acid (HNO4), bromine nitrate (BrONO2), chlorine nitrate (ClONO2) 
and organic nitrates (most notably peroxyacetyl nitrate, sometimes referred to 
as PAN, (CH3COO2NO2)), are included. The list of individual species that are 
included in this quantity can vary between models. Where possible, the data 
variable should be accompanied by a complete description of the species 
represented, for example, by using a comment attribute.
tendency_of_atmosphere_mass_content_of_reduced_nitrogen_due_to_dry_deposition   
kg m-2 s-1      "Content" indicates a quantity per unit area. The "atmosphere 
content" of a quantity refers to the vertical integral from the surface to the 
top of the atmosphere. For the content between specified levels in the 
atmosphere, standard names including "content_of_atmosphere_layer" are used. 
"tendency_of_X" means derivative of X with respect to time. The specification 
of a physical process by the phrase "due_to_" process means that the quantity 
named is a single term in a sum of terms which together compose the general 
quantity named by omitting the phrase. "dry_deposition" is the sum of turbulent 
deposition and gravitational settling. "reduced_nitrogen" summarizes all 
chemical species containing reduced nitrogen atoms. Usually, particle bound and 
gaseous nitrogen compounds, primarily ammonium (NH4+) and ammoina (NH3), are 
included. The list of individual species that are included in this quantity can 
vary between models. Where possible, the data variable should be accompanied by 
a complete description of the species represented, for example, by using a 
comment attribute.
tendency_of_atmosphere_mass_content_of_oxidized_nitrogen_due_to_wet_deposition  
kg m-2 s-1      "Content" indicates a quantity per unit area. The "atmosphere 
content" of a quantity refers to the vertical integral from the surface to the 
top of the atmosphere. For the content between specified levels in the 
atmosphere, standard names including "content_of_atmosphere_layer" are used. 
"tendency_of_X" means derivative of X with respect to time. The specification 
of a physical process by the phrase "due_to_" process means that the quantity 
named is a single term in a sum of terms which together compose the general 
quantity named by omitting the phrase. "wet_deposition" means deposition by 
precipitation. "oxidized_nitrogen" summarizes all chemical species containing 
oxidized nitrogen atoms. Usually, particle bound and gaseous nitrogen 
compounds, such as nitrogen monoxide (NO), nitrogen dioxide (NO2), dinitrogen 
pentoxide (N2O5), nitric acid (HNO3), nitrate (NO3-), peroxynitric acid (HNO4), 
bromine nitrate (BrONO2), chlorine nitrate (ClONO2) and organic nitrates (most 
notably peroxyacetyl nitrate, sometimes referred to as PAN, (CH3COO2NO2)), are 
included. The list of individual species that are included in this quantity can 
vary between models. Where possible, the data variable should be accompanied by 
a complete description of the species represented, for example, by using a 
comment attribute.
tendency_of_atmosphere_mass_content_of_reduced_nitrogen_due_to_wet_deposition   
kg m-2 s-1      "Content" indicates a quantity per unit area. The "atmosphere 
content" of a quantity refers to the vertical integral from the surface to the 
top of the atmosphere. For the content between specified levels in the 
atmosphere, standard names including "content_of_atmosphere_layer" are used. 
"tendency_of_X" means derivative of X with respect to time. The specification 
of a physical process by the phrase "due_to_" process means that the quantity 
named is a single term in a sum of terms which together compose the general 
quantity named by omitting the phrase. "wet_deposition" means deposition by 
precipitation. "reduced_nitrogen" summarizes all chemical species containing 
reduced nitrogen atoms. Usually, particle bound and gaseous nitrogen compounds, 
primarily ammonium (NH4+) and ammoina (NH3), are included. The list of 
individual species that are included in this quantity can vary between models. 
Where possible, the data variable should be accompanied by a complete 
description of the species represented, for example, by using a comment 
attribute. 
tendency_of_ocean_mole_content_of_reduced_nitrogen_due_to_deposition    mol m-2 
s-1     "Content" indicates a quantity per unit area. The "ocean content" of a 
quantity refers to the vertical integral from the surface to the bottom of the 
ocean. "tendency_of_X" means derivative of X with respect to time. The 
specification of a physical process by the phrase due_to_process means that the 
quantity named is asingle term in a sum of terms which together compose the 
general quantity named by omitting the phrase. Deposition of nitrogen into the 
ocean is the sum of dry and wet deposition of the considered species onto the 
ocean surface from the atmosphere. "reduced_nitrogen" summarizes all chemical 
species containing reduced nitrogen atoms. Usually, particle bound and gaseous 
nitrogen compounds, primarily ammonium (NH4+) and ammoina (NH3), are included. 
The list of individual species that are included in this quantity can vary 
between models. Where possible, the data variable should be accompanied by a 
complete description of the species represented, for example, by using a 
comment attribute. 
tendency_of_ocean_mole_content_of_oxidized_nitrogen_due_to_deposition   mol m-2 
s-1     "Content" indicates a quantity per unit area. The "ocean content" of a 
quantity refers to the vertical integral from the surface to the bottom of the 
ocean. "tendency_of_X" means derivative of X with respect to time. The 
specification of a physical process by the phrase due_to_process means that the 
quantity named is asingle term in a sum of terms which together compose the 
general quantity named by omitting the phrase. Deposition of nitrogen into the 
ocean is the sum of dry and wet deposition of the considered species onto the 
ocean surface from the atmosphere. "oxidized_nitrogen" summarizes all chemical 
species containing oxidized nitrogen atoms. Usually, particle bound and gaseous 
nitrogen compounds, such as nitrogen monoxide (NO), nitrogen dioxide (NO2), 
dinitrogen pentoxide (N2O5), nitric acid (HNO3), nitrate (NO3-), peroxynitric 
acid (HNO4), bromine nitrate (BrONO2), chlorine nitrate (ClONO2) and organic 
nitrates (most notably peroxyacetyl nitrate, sometimes referred to as PAN, 
(CH3COO2NO2)), are included. The list of individual species that are included 
in this quantity can vary between models. Where possible, the data variable 
should be accompanied by a complete description of the species represented, for 
example, by using a comment attribute.
tendency_of_ocean_mole_content_of_reduced_nitrogen_due_to_dry_deposition        
mol m-2 s-1     "Content" indicates a quantity per unit area. The "ocean 
content" of a quantity refers to the vertical integral from the surface to the 
bottom of the ocean. "tendency_of_X" means derivative of X with respect to 
time. The specification of a physical process by the phrase due_to_process 
means that the quantity named is asingle term in a sum of terms which together 
compose the general quantity named by omitting the phrase. "dry_deposition" is 
the sum of turbulent deposition and gravitational settling of the considered 
species onto the ocean surface from the atmosphere. "reduced_nitrogen" 
summarizes all chemical species containing reduced nitrogen atoms. Usually, 
particle bound and gaseous nitrogen compounds, primarily ammonium (NH4+) and 
ammoina (NH3), are included. The list of individual species that are included 
in this quantity can vary between models. Where possible, the data variable 
should be accompanied by a complete description of the species represented, for 
example, by using a comment attribute. 
tendency_of_ocean_mole_content_of_oxidized_nitrogen_due_to_dry_deposition       
mol m-2 s-1     "Content" indicates a quantity per unit area. The "ocean 
content" of a quantity refers to the vertical integral from the surface to the 
bottom of the ocean. "tendency_of_X" means derivative of X with respect to 
time. The specification of a physical process by the phrase due_to_process 
means that the quantity named is asingle term in a sum of terms which together 
compose the general quantity named by omitting the phrase. "dry_deposition" is 
the sum of turbulent deposition and gravitational settling of the considered 
species onto the ocean surface from the atmosphere. "oxidized_nitrogen" 
summarizes all chemical species containing oxidized nitrogen atoms. Usually, 
particle bound and gaseous nitrogen compounds, such as nitrogen monoxide (NO), 
nitrogen dioxide (NO2), dinitrogen pentoxide (N2O5), nitric acid (HNO3), 
nitrate (NO3-), peroxynitric acid (HNO4), bromine nitrate (BrONO2), chlorine 
nitrate (ClONO2) and organic nitrates (most notably peroxyacetyl nitrate, 
sometimes referred to as PAN, (CH3COO2NO2)), are included. The list of 
individual species that are included in this quantity can vary between models. 
Where possible, the data variable should be accompanied by a complete 
description of the species represented, for example, by using a comment 
attribute.
tendency_of_ocean_mole_content_of_reduced_nitrogen_due_to_wet_deposition        
mol m-2 s-1     "Content" indicates a quantity per unit area. The "ocean 
content" of a quantity refers to the vertical integral from the surface to the 
bottom of the ocean. "tendency_of_X" means derivative of X with respect to 
time. The specification of a physical process by the phrase due_to_process 
means that the quantity named is asingle term in a sum of terms which together 
compose the general quantity named by omitting the phrase. "wet_deposition" 
means deposition by precipitation. "reduced_nitrogen" summarizes all chemical 
species containing reduced nitrogen atoms. Usually, particle bound and gaseous 
nitrogen compounds, primarily ammonium (NH4+) and ammoina (NH3), are included. 
The list of individual species that are included in this quantity can vary 
between models. Where possible, the data variable should be accompanied by a 
complete description of the species represented, for example, by using a 
comment attribute. 
tendency_of_ocean_mole_content_of_oxidized_nitrogen_due_to_wet_deposition       
mol m-2 s-1     "Content" indicates a quantity per unit area. The "ocean 
content" of a quantity refers to the vertical integral from the surface to the 
bottom of the ocean. "tendency_of_X" means derivative of X with respect to 
time. The specification of a physical process by the phrase due_to_process 
means that the quantity named is asingle term in a sum of terms which together 
compose the general quantity named by omitting the phrase. "wet_deposition" 
means deposition by precipitation. "oxidized_nitrogen" summarizes all chemical 
species containing oxidized nitrogen atoms. Usually, particle bound and gaseous 
nitrogen compounds, such as nitrogen monoxide (NO), nitrogen dioxide (NO2), 
dinitrogen pentoxide (N2O5), nitric acid (HNO3), nitrate (NO3-), peroxynitric 
acid (HNO4), bromine nitrate (BrONO2), chlorine nitrate (ClONO2) and organic 
nitrates (most notably peroxyacetyl nitrate, sometimes referred to as PAN, 
(CH3COO2NO2)), are included. The list of individual species that are included 
in this quantity can vary between models. Where possible, the data variable 
should be accompanied by a complete description of the species represented, for 
example, by using a comment attribute.
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