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How can I plot Arctic coastlines?

조회 수: 17 (최근 30일)
Ashfaq Ahmed
Ashfaq Ahmed 2023년 9월 15일
편집: Pavan Sahith 2023년 10월 25일
Hi! I have a sea level pressure gradient plot in a grid system which I want to show in the Arctic polar stereographic map. The latitude spans from 60° to 90° and the longitude spans from -180° to 180°. Can anyone please guide me with a code? I have tryied Arctci Mapping Toolbox but could not solve the issue.
Your any feedback will be highly appreciated!!
  댓글 수: 2
Ashfaq Ahmed
Ashfaq Ahmed 2023년 9월 15일
P.S.: It is a 161x161 double plot.
Jim Riggs
Jim Riggs 2023년 9월 18일
There are some examples at this link. Did you try these?

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답변 (1개)

Pavan Sahith
Pavan Sahith 2023년 10월 25일
편집: Pavan Sahith 2023년 10월 25일
Hello Ashfaq,
I understand you want to show the sea level pressure gradient in Arctic polar stereographic map in which the latitude spans from 60° to 90° and the longitude spans from -180° to 180°.
As a workaround, you can refer to the following sample code in MATLAB.
% Sample data
latitude = 60:90; % Replace with your latitude values
longitude = -180:180; % Replace with your longitude values
pressureGradient = rand(length(latitude), length(longitude)); % Replace with your sea level pressure gradient data
% Create a meshgrid for lat and lon
[lon, lat] = meshgrid(longitude, latitude);
% Create a new figure
figure;
load coastlines
% Create a polar stereographic map axes
axesm('MapProjection', 'stereo', 'MapLatLimit', [60 90], 'MapLonLimit', [-180 180], 'Frame', 'on');
pcolorm(lat,lon,pressureGradient)
geoshow(coastlat,coastlon)
% Add a colorbar
colorbar;
% Set the title and labels
title('Sea Level Pressure Gradient in Arctic');
xlabel('X (Polar Stereographic)');
ylabel('Y (Polar Stereographic)');
Please refer to the following MathWorks documentation links to know more about
Hope this helps.
Thanks & Regards,
Pavan Sahith

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