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<p class="MsoNormal"><span style="mso-ansi-language:EN-GB" lang="EN-GB">Hi,</span></p>
<p class="MsoNormal"><span style="mso-ansi-language:EN-GB" lang="EN-GB"> </span></p>
<p class="MsoNormal"><span style="mso-ansi-language:EN-GB" lang="EN-GB">I am using i.landsat.toar and i.atcorr –r for a region in Germany. The problem I face is that the resulting reflectance values are very low (0.2-0.3 for vegetation in band 5). I think the
values should be higher (around 0.6). </span></p>
<p class="MsoNormal"><span style="mso-ansi-language:EN-GB" lang="EN-GB">I am using Landsat 8 images from Ocotber and from August. For both months I get that low values.
</span></p>
<p class="MsoNormal"><span style="mso-ansi-language:EN-GB" lang="EN-GB">For i.atcorr –r I used an input range of 0,1 and an output range of 0,1. Any idea what I am doing wrong?
</span></p>
<p class="MsoNormal"><span style="mso-ansi-language:EN-GB" lang="EN-GB">Overall the shapes of the reflectance curves for vegetation (value vs bands) seem reasonable, I am just worried about the values which seem to be too low.</span></p>
<p class="MsoNormal"><span style="mso-ansi-language:EN-GB" lang="EN-GB"> </span></p>
<p class="MsoNormal"><span style="mso-ansi-language:EN-GB" lang="EN-GB">i.landsat.toar input="LC81960252013275LGN00_B" output="10_toar_B" me\<span style="mso-spacerun:yes">
</span>|</span></p>
<p class="MsoNormal"><span style="mso-ansi-language:EN-GB" lang="EN-GB"><span style="mso-spacerun:yes"> </span>|<span style="mso-spacerun:yes">
</span>tfile="C:\Users\lj\Documents\grassdata\LC81960252013275LGN00_MTL.txt\<span style="mso-spacerun:yes">
</span>|</span></p>
<p class="MsoNormal"><span style="mso-ansi-language:EN-GB" lang="EN-GB"><span style="mso-spacerun:yes"> </span>|<span style="mso-spacerun:yes">
</span>" sensor="oli8" method="uncorrected" percent=0.01 pixel=1000 rayleig\<span style="mso-spacerun:yes">
</span>|</span></p>
<p class="MsoNormal"><span style="mso-ansi-language:EN-GB" lang="EN-GB"><span style="mso-spacerun:yes"> </span>|<span style="mso-spacerun:yes">
</span>h=0.0 scale=1.0 <span style="mso-spacerun:yes"> </span></span></p>
<p class="MsoNormal"><span style="mso-ansi-language:EN-GB" lang="EN-GB"> </span></p>
<p class="MsoNormal"><span style="mso-ansi-language:EN-GB" lang="EN-GB">i.atcorr -r input="10_toar_B5@l" range=0,1 parameters="C:\Users\lj\D\<span style="mso-spacerun:yes">
</span>|</span></p>
<p class="MsoNormal"><span style="mso-ansi-language:EN-GB" lang="EN-GB"><span style="mso-spacerun:yes"> </span>|<span style="mso-spacerun:yes">
</span>ocuments\grassdata\AC\6S parameters\10_i.atcorr_B5.txt" output="10_a\<span style="mso-spacerun:yes">
</span>|</span></p>
<p class="MsoNormal"><span style="mso-ansi-language:EN-GB" lang="EN-GB"><span style="mso-spacerun:yes"> </span>|<span style="mso-spacerun:yes">
</span>tcorr_B5" rescale=0,1 </span></p>
<p class="MsoNormal"><span style="mso-ansi-language:EN-GB" lang="EN-GB"> </span></p>
<p class="MsoNormal"><span style="mso-ansi-language:EN-GB" lang="EN-GB">Regards, Lisa.</span></p>
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