Exploring Sentinel-2 multi-spectral band combinations in SNAP

Рет қаралды 71,794

GEARS - Geospatial Ecology and Remote Sensing

Күн бұрын

An introduction to ESA's SNAP application for processing satellite imagery. Guided example of loading Sentinel-2 data and exploring band combinations.
SNAP software and Sentinel-2 data freely available from the European Space Agency (ESA).
step.esa.int/main/download/
Shaun R Levick
www.geospatialecology.com

Пікірлер: 32

@solalstenou6474 4 жыл бұрын

Keep going mate! Great insights. From France.

@aliakbaramirkhani3265 6 жыл бұрын

Great Presentation.

@goncalodumas 3 жыл бұрын

Hi, great presentation. Really helpful. Thanks!

@zanartu181 2 жыл бұрын

Excellent video! Thank you!

@FaizalKasim_UNG 3 жыл бұрын

Nice Lecturing.Thank you very much

@idrissahamad8615 5 жыл бұрын

Thank you for this introduction. I am working with Sentinel 2 for aquatic environment related studies, especial submerged vegetation. I want to have more examples with how I could use to detect these vegetation and differentiate habitat of vegetation in coastal waters.

@user-iq7in3cz1f 2 жыл бұрын

Hi, I am also trying to detect submerged vegetation. Have you been successful in detecting the vegetation using this method?

@hansisbrucker813 4 жыл бұрын

I used the satellites once through the Copernicus site, but this seems much easier. 😀

@idrissahamad8615 5 жыл бұрын

How about when yo get many images with clouds, is there a way to rectify a downloaded image using SNAP tool?

@zephyrhamid7196 4 жыл бұрын

amazing and thanks alot

@user-nn1kc1jp2m 3 жыл бұрын

Thank you very much for this video , but can I used SNAP for analyzing pollution data from Sentinel 5 ?

@3minuteswithkarim 5 жыл бұрын

informative presentation

@abdulrashidhassan7649 3 жыл бұрын

Thanks so much for this video!!! Please I am mapping marginal land in Europe using open source datasets like Sentinel-2 Global land cover(S2glc), Corine land cover, Pan-European High Resolution Layers (HRL) tree cover density, Natura 2000 network , DEM, European Soil Database Derived data etc... please do you have any suggestions on the type of reference dataset i can use for the accuracy assessment or any other suggestions please.

@lizc1616 5 жыл бұрын

Amazing

@JonathanJMusic 5 жыл бұрын

Hi there, I have 2 images of the same place/viewing conditions, 5 days apart. However, when i export them as GeoTIFF images and load them into Matlab for the purpose of doing change detection, they get loaded in with different sizes. i.e. one of the pictures is a 692x488x4 matrix while the other is a 692x550x4 matrix. I need them to be the same size. Is there a way I can shape them to be equal size without loosing data in SNAP? Would I use resampling for this also or something else? Thank you.

@DrEng_Sinan 5 жыл бұрын

I think you are downloading one scene in Ascending while the other in descending mode. you have to download the images which have the same mode either ascending or descending. If you still have the problem try to clip (Mask) both of the images by using a shapefile that surrounds the area of interest.

@sarveshgeo8686 2 жыл бұрын

nice video I need one help how to mosaic snap using Landsat 8 and 5 data processing can u share the details or pls upload video

@kussi_kushida 2 жыл бұрын

すげーです。

@mohama7551 Жыл бұрын

Professor, please answer, how do I display the image of Sentinel 1 in a format that I know what is under the surface of the earth, since it is a radar that can penetrate the earth

@animasunil1696 5 жыл бұрын

As said at time 11.12 . I am not getting any automatically loaded profile and band are not assigned to RGB. so getting a Black image with white patches. What shall i do? I am doing it to prepare Landslide inventory. Can u suggest me something

@mcswing2001 5 жыл бұрын

i had the same problem once. I downloaded another image file and it worked right away. try choosing another image from another date or place

@DrEng_Sinan 5 жыл бұрын

You can assign the bands manually according to your requirement. For example B4, B3, B2 respectively for true color.

@sharpEAGLES 5 жыл бұрын

Dear all, can someone clarify the difference between SMOS toolbox and SNAP?

@esasnap 3 жыл бұрын

You can consider SNAP as being a platform. While it provides basic general tools it is the host for other toolboxes. Those toolboxes provide thematic of sensor specific tools. The SMOS box provides functionality to read and investigate SMOS data.