Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [landsat-7]

The 7th satellite in the Landsat program.

0
votes
1answer
23 views

Integrating Landsat ETM+ and OLI surface reflectance data

I want to do a time-series analysis on Landsat surface reflectance data for an extended period of time (2005-2018), which requires integration of Landsat 5, 7, and 8. Is there any procedure to make ...
0
votes
1answer
105 views

Cloud Mask Landsat 7 Tier 2 TOA

I am trying to create a decent cloudfree mosaic of Landsat 7 Tier 2 TOA reflectance around the Amery Iceshelf in Antarctica. I did find a good script for landsat 8 TOA (Apply a cloud mask to a ...
3
votes
0answers
433 views

Pansharpen Landsat 7 RGB using gdal_pansharpen.py

Is it possible to pansharpen Landsat 7 RGB band combination (without NIR) to have approximately the same intensities as the original RGB image with gdal_pansharpen.py (weighted Brovey algorithm)? What ...
1
vote
0answers
148 views

Correct gain for LST from Landsat 7?

I'm attempting to calculate land surface temperature (LST) from Landsat 7. Band 6, the thermal band for Landsat 7, comes in high gain and low gain settings. I'm calculating the temperature for Los ...
1
vote
0answers
47 views

EVI not producing values between 1 and -1 Landsat5/7 TM ETM+

I am trying to do EVI in ArcMap 10.3. I have done the atmospheric corrections for all the bands needed but cannot get the values between 1 and -1. I have used the formula EVI = G *(Band4 - Band3)/(...
1
vote
0answers
116 views

About of low and high gain in Landsat for illuminate the scene

I don't know because after of make the calibration (only TOA) the false color composition (543 in Landsat 7) yet is different between 2 scenes. A scene looks opaque and another is clear (both are of ...
0
votes
0answers
14 views

Is Sentinel-2A Band 8 (NIR band) has been affected by earth water vapor absorption feature?

I am starting working with S2A images. While looking at the bandwidth of S2A NIR band, it seems it has a wider area as Landsat-7 ETM+ NIR band. Previously I worked with L7 ETM+ NIR band and obtained ...
0
votes
0answers
27 views

Labeled training data for water extraction/classification

I'm working on a small project to extract water features from satellite images. In particular, I plan to use Landsat 7 ETM+ satellite images of a particular lake (it's on plain land). I have decided ...
0
votes
0answers
27 views

Understanding Landsat 7 Layer Properties

I have a Landstat 7 band 1 layer and am trying to understand exactly what it is showing. Specifically, if I go to the layer properties, under source there is an "Extent" section which shows 4 numbers,...
0
votes
0answers
31 views

The scale of Landsat 7 8-Day NDVI Composite

I have found Landsat 7 8-Day NDVI Composite dataset(LANDSAT/LE7_L1T_8DAY_NDVI) in Google Earth Engine,but I can't find the scale of it.So what is the scale of Landsat 7 8-Day NDVI Composite dataset?
0
votes
0answers
53 views

MODIS Landsat overlapping

I have two Lands Surface Temperature images, one from Landsat 7 and the other one is from MODIS, both for the same day. After projecting MODIS to UTM WGS84 the two images are slightly shifted, i.e. ...
0
votes
0answers
332 views

Landsat 7 SLC off gap-filling

Please suggest me how can I fill the gap of SLC off Landsat 7 data band 8 that is panchromatic band. Also suggest me is there any method to fill the gap of all other bands too.