Obtain monthly and yearly average values of EVI using MODIS data on Google Earth Engine

How do I extract data from Google Earth Engine?

To export an image to an asset in your Earth Engine assets folder, use Export. image. toAsset() .

How do you calculate mean NDVI in Google Earth Engine?

Quote from video: So for this one you're simply taking the band 5 subtracting. It from the band 4 and then dividing that new x value by the band 5 plus band 4 this is the equation for NDVI.

How do you calculate the area of a classified image in Google Earth Engine?

Area Calculation for Images (Single Class)



pixelArea() function. This function creates an image where each pixel’s value is the area of the pixel. If the image pixels contains values 0 or 1 – we can multiply this pixel area image with our image and calculate the total area using reduceRegion() function.
 

How is raster data represented in Google Earth Engine?

Raster data represent objects/variables on the Earth’s surface as a matrix of values, in the form of pixels, cells, or grids.

Is Google Earth Engine API free?

Earth Engine is free for noncommercial use: learn more here. For commercial or operational applications, please click here to learn more about pricing options.

How do I transfer data from Google Earth to excel?

Quote from video: A table of latitude on longitude. Here i'm select all i'm selecting all and copy the text. And i will paste. It in excel i will paste it all the data is in one column.

How does NDVI calculate using Modis data?

In MODIS, Red and NIR are represented by band 1 and 2. This is the underlying concept of calculating NDVI.



NDVI = (NIR — Red) / (NIR + Red)

1. Import the image collection of NDVI from MODIS data catalog.
2. Filter the date and the area of interest.
3. Colorized or visualize the NDVI image.
4. Display the NDVI.

How do I download NDVI Modis data?

How to Download MODIS data

1. Step 1: Define Your Study Area (AOI)
2. Step 2: Define the Data That You Want to Download.
3. Step 3: Define Selection Criteria.
4. Step 4: View Results & Select Data to Order / Download.
5. Step 5: Download Your Data.

What is NDVI and EVI?

By Landsat Missions. Landsat Enhanced Vegetation Index (EVI) is similar to Normalized Difference Vegetation Index (NDVI) and can be used to quantify vegetation greenness. However, EVI corrects for some atmospheric conditions and canopy background noise and is more sensitive in areas with dense vegetation.

How do I transfer data from Google Earth?

To do this, launch Google Earth and right-click the place or places folder you want to transfer to a new computer. Select “Save As,” browse to the location where you want to save the file and then click “Save.”

How do I get xy data from Google Maps?

Get the coordinates of a place

1. On your computer, open Google Maps.
2. Right-click the place or area on the map. This will open a pop-up window. You can find your latitude and longitude in decimal format at the top.
3. To copy the coordinates automatically, left click on the latitude and longitude.

How do I extract a KML file?

Google Earth will initiate geocoding of location descriptions while viewing a KML file.



Open the downloaded file in Google Earth, email the file to your friends, or upload it to your website to share.

1. While looking at the map, choose File > Download.
2. Select KML.
3. Click Download.