%% $Date: 2012-07-06 17:42:54#$
%% $Revision: 148 $
\index{iron\_1}
\algdescgeneral{iron\_1}
%
{ %%%%%% Algorithm name %%%%%%
biophys\_indices (iron\_1 is one index calculated within the overall program)
}
%
{ %%%%%% Algorithm summary %%%%%%
Calculation of iron ratio (iron\_1)
}
%
{ %%%%%% Category %%%%%%
Biophysics - soil indices
}
%
{ %%%%%% Inputs %%%%%%
Narrow band multi- or hyperspectral imagery (ENVI standard image data) including channels close to the wavelengths of 780nm, 920nm and 1245nm.\bigskip
}
%
{ %%%%%% Outputs %%%%%%
Single band with iron\_1 values
}
%
{ %%%%%% Formula %%%%%%
\begin{displaymath}
iron\_1 = 0.5 * ( R_{780} + R_{1245} ) - R_{920}
\end{displaymath}
}
%
{ %%%%%% Author %%%%%%
DLR-DFD
}
%
{ %%%%%% References %%%%%% 

}
