How can I plot Arctic coastlines?

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Ashfaq Ahmed 2023-9-15

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编辑： Pavan Sahith 2023-10-25

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!!

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Ashfaq Ahmed 2023-9-15

P.S.: It is a 161x161 double plot.

Jim Riggs 2023-9-18

There are some examples at this link. Did you try these?

Create Common Plots Using Map Axes - MATLAB & Simulink (mathworks.com)

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Answer 1

Pavan Sahith 2023-10-25

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https://ww2.mathworks.cn/matlabcentral/answers/2021756-how-can-i-plot-arctic-coastlines#answer_1339956

编辑：Pavan Sahith 2023-10-25

在 MATLAB Online 中打开

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');