Comparison of MAT between JPDFs (circles with dots) and numeric al simulations (IMAGE) Science China Press Caption Elevations equal to 3000 m are highlighted with brown contours Credit ©Science China Press Usage Restrictions Use with credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.