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Tuesday, May 27, 2014

C05 and C06 side by side

Just comparing the two MODIS AOD products side by side (DT)
 
The improvements on DB from C6 (left) is amazing!
fn = '/host/data/C6modis/aqua/2006A/MYD04_L2.A2006026.1840.006.2014036014118.hdf';
% fn = 'MYD04_L2.A2006026.1840.005.2007129090710.hdf'
Longitude = double(hdfread(fn, 'Longitude'));
Latitude = double(hdfread(fn, 'Latitude'));

scale =  0.001;

% AOD =scale* double(hdfread(fn, 'Corrected_Optical_Depth_Land'));
AOD =scale* double(hdfread(fn, 'Deep_Blue_Aerosol_Optical_Depth_550_Land'));


AOD550 = (AOD); % this is AOD .550 um

fill = -9999*scale
AOD550(AOD550==fill)=NaN;


% figure;
% imagesc(AOD550)
figure
subplot(1,2,1)
latlim =([32.5 42]);
lonlim =([-85 -73]);

ax = worldmap(latlim, lonlim);
states = shaperead('usastatehi','UseGeoCoords', true, 'BoundingBox', [lonlim', latlim']);
geoshow(ax, states, 'FaceColor', [1 1 1]);
surfacem(Latitude,Longitude,AOD550);
colorbar
title([ '2006026 C6 DB'])

%%
 fn = '/host/data/modisDATA/AQUA_2006/MYD04_L2.A2006026.1840.005.2007129090710.hdf'
Longitude = double(hdfread(fn, 'Longitude'));
Latitude = double(hdfread(fn, 'Latitude'));

scale =  0.001;

% AOD =scale* double(hdfread(fn, 'Corrected_Optical_Depth_Land'));
AOD =scale* double(hdfread(fn, 'Deep_Blue_Aerosol_Optical_Depth_550_Land'));


AOD550db = (AOD); % this is AOD .550 um

fill = -9999*scale
AOD550db(AOD550db==fill)=NaN;


% figure;
% imagesc(AOD550)
subplot(1,2,2)
 
ax = worldmap(latlim, lonlim);
states = shaperead('usastatehi','UseGeoCoords', true, 'BoundingBox', [lonlim', latlim']);
geoshow(ax, states, 'FaceColor', [1 1 1]);
surfacem(Latitude,Longitude,AOD550db);
colorbar
title(['2006026 C5 DB'])

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