Questions about data from the Moderate-Resolution Imaging Spectroradiometer sensors aboard the Terra and Aqua satellites.

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What is causing LDOPE error when opening .hdf files?

I get the following error when I try using LDOPE-1.7 on Linux (64 bit) with Modis QA data. The specific dataset resides in the LDOPE-1.7 directory. bash-4.1$ ./unpack_sds_bits -of=ldopeQA.hdf ...
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1answer
53 views

NDVI colour scheme for ArcGIS

Does anyone have a download link for the NDVI colour scheme to use in ArcGIS for Desktop? I am looking for MODIS mod13 data and cannot find an appropriate colour scheme in the programme.
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2answers
37 views

gdalinfo for Modis layer “NDVI”

I am trying the following command to get info on the NDVI MODIS layer stored in HDF file. I always receive an error. the command and error as below: gdalinfo ...
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0answers
25 views

SDS for quality assurance MODIS data

Can anyone help me with which quality assurance data to use for MODIS MCD43A4? The QA dataset for this is MCD43A2 which has 4 SDS - Science Data Sets (HDF Layers) 4 UNITS BIT TYPE FILL ...
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1answer
32 views

Gdal_translate command for SDS having spaces in its name

Can anyone help me with using gdal_translate on an HDF4 dataset that a space? One SDS in the the HDF is: ...
4
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2answers
71 views

Accessing the Quality Band for MCD12Q1 with MODISTools GetBands

I am using MODISTools (https://github.com/seantuck12/MODISTools) to process MCD12Q1 data, which, according to the LP DAAC website ...
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0answers
32 views

Retaining resolution of MODIS data while reprojecting using gdalwarp

Can anyone help me to use gdal(gdalwarp specifically) for reprojection? I am using it to reproject MODIS data : I originally have an hdf file - MCD43A4.A2005001.h08v05.005.2007351192333.hdf which has ...
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1answer
134 views

Clip .hdf (MODIS) rasters by shapefile

I am trying to do a temporal analysis on vegetation quality so I downloaded a MODIS .hds raster from earthexplorer. When I opened the file into ArcMap 10.2.2, it came as a group of 11 rasters. I stuck ...
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1answer
188 views

Calculating climatological albedo using MODIS satellite images?

My question is based on the paper Using NOAA AVHRR and SPOT VGT data to estimate surface parameters: application to a mesoscale meteorological model. The authors have calculated albedo, surface ...
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0answers
59 views

How to mosaic multiple MODIS images of Multiple months using MRT tool?

I have monthly MODIS images for 2001-2014. For few images mosaicing with reprojection can be done using MRT tool. However, for large number of images it's a cumbersome process. There are multiple ...
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2answers
218 views

extract scientific layers from MODIS HDF Dataeset using Python GDAL

I have been trying to extract scientific data layers from MODIS HDF files but without success. Before I have been doing this type of task using Arcpy, but I want the script that I am currently working ...
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1answer
149 views

NDVI values for MODIS images

I have downloaded NDVI MODIS 500m image i.e. MOD13A1. From the hdf format that i got i converted them into tif format using the HEG tool. The images that i got some are showing pixel values -32767 to ...
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2answers
251 views

Reconstructing MODIS time-series applying Savitzky-Golay Filter with Python/Numpy

I want to apply the 'Savitzky-Golay' (savgol) filter to my time series, MODIS dataset, to remove noise (i.e., cloud pixels, etc.) in my data. MODIS have quality flags that indicates the reliability of ...
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1answer
53 views

Comparison of wildfires areas using NBR index obtained by Landsat 8 for 2 dates?

My aim is to compare two images of NBR index obtained by Landsat 8 for two dates: April the 1st and October the 26th (the beginning of the wildfires period and the ending of the period). After that I ...
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0answers
185 views

How to download the MODIS data from R using MODISTools library

I want to download MODIS product MOD13Q1 to use the Scientific Data Sets (SDS) layers of "250m_16_days_EVI", "250m_16_days_pixel_reliability". MODISTools library in R software provides the capability ...
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2answers
475 views

How to download MOD16 (Modis Evapotranspiration) image?

I use a 'R' script for downloading MODIS imageries. However, it doesn't give MOD16 product. I could neither find the MOD16 product in earthexplorer website. Though the desired product is available at ...
4
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2answers
155 views

Merging rasters in QGIS?

I have 3 modis tiles that I want to merge together. They were all reprojected in the same CRS (from sinusoidal to WGS84 UTM zone 32 N), but I cannot succeed. I have tried with merge and virtual ...
2
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0answers
51 views

TIMESAT seasonality data (MODIS EVI)

I am trying to get seasonality parameters from MODIS EVI (MOD13Q1) for Indonesia. I have loaded data from 2013-2015, but the plotted time-series is shifted from what I expect. Indonesia has ...
5
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1answer
173 views

Reprojecting MODIS-Sphere ESRI GRID file to WGS84 using QGIS/GDAL

I have an ESRI GRID file projected in MODIS-Sphere (here's the dataset http://urban.yale.edu/sites/default/files/data/setoguneralphutyra_uf.zip) that I need to convert to a WGS84 GeoTIFF. I tried ...
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0answers
51 views

Flood extent maps using modis 09 imagery

I have created rgb using bands 1 and 2 (250m) of mod09 data. Now i need to create flood extent maps from the same composite band. Now I need to use the density slicing method to create slices of land ...
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4answers
68 views

How to remove NoData areas from modis 09 data?

I have mosaicked modis09 rasters that have areas of NoData values displayed in black, I have used every option possible from raster con and set null conditions in raster calculator to setting the ...
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0answers
87 views

Reprojecting MODIS NDVI and reading the hdf output file in ENVI

I'm working with ENVI5.3 and want to open a MODIS NDVI (MOD13Q1) in hdf format. Firstly, I used the Modis Reprojeciton Tool to reproject the modis tile. And I opened the reprojected file in hdf format ...
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1answer
50 views

Selecting one subdataset when using ModelBuilder in ArcMap for reprojection

I'm trying to reproject roughly 500 MODIS images (MOD09GQ) into an Equal Areas Projection. I've been informed that ModelBuilder would be the best way to do this. However, when I set up my model and ...
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0answers
37 views

Using night/day-time LST product of MODIS?

I was confused with the night- and day-time bands of the LST product of MODIS. As I understood, these two bands are derived based on the zenith angle; more than 90 degrees for night-time LST, and less ...
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1answer
313 views

MCD43A3 MODIS products

I have MCD43A3 product and I am using that to get the albedo values(Black sky and White Sky). I have some in-situ snow depth data, corresponding to which I want to get these albedo values. For most ...
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0answers
8 views

How to CONVERT Modis 09 files from hdf to geotiff [duplicate]

I have about 300 modis 09 files that need to be converted to geotiff format. I initially used the MRTSwath tool, but it would not pick some of the files as input giving the message 'Input Header ...
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23 views

Wget download selected files in unknown subfolders

I have this script for YEAR in 2013 2014 2015 ; do wget -r -l1 -p -nd -e robots=off -A "h17v03","h18v03" -R .jpg -R .xml http://e4ftl01.cr.usgs.gov/MOLT/MOD13Q1.005/$YEAR.01.01 so it gets 2 ...
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1answer
46 views

stack 10 modis ndvi geotiffs and scale them by 0.0001

I have 10 geotiffs Modis ndvi named 2005.tif ... 2014.tif I want to stack them all and create timeseries. i know how to do that, but the stacked images still need scaling by 0.0001. how can i bulk ...
2
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0answers
68 views

16-day-MODIS NDVI values seem to be wrong compared to my soil moisture ground data!

I'm using MOD13Q1 product of MODIS for estimation soil moisture. As I know, this product is made up of the maximum value of NDVI of each pixel over 16-day calculated NDVI values. The problem is that ...
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4answers
1k views

climatic data from MODIS or other sources

I'm looking for climatic information in the form of raster like MODIS daily LST (Land Surface Temperature) data. I'm looking for other parameters like precipitation, humidity, air pressure and so on. ...
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27 views

StarFM incompatability in Windows

I was asked to make StarFM, which creates a TimeSeries based on Temporal resolution of MODIS with the spectral resolution of Landsat work. Now, according to the barely-present help, it states that the ...
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1answer
395 views

Opening an modis hdf file in Envi and Calibration

I have downloaded an modis hdf file.it is l1 and its name is MOD021KM ..I want to convert it to radiance.so I performed this steps in envi Open>EOS>MODIS selected modis hdf file.then I tried to run ...
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1answer
91 views

how to calculate summary statistics and produce line plot for daily MODIS LST quality bands

I have a raster stack (numpy 3d array) of daily MODIS LST quality bands. The quality bands have pixel values that correspond to the quality of the LST data in each pixel. For example, 2 = no data ...
2
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1answer
2k views

Reprojected MODIS NDVI has range from -32768 to 32767, expected -1 to 1

I'm new to StackExchange and to remote sensing. I am working with MOD13Q1 250m 16-day MVCs. My goal is to use NDVI time-series to classify cropping pattern and crop type, then link this data to ...
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0answers
388 views

Processing MOD35 cloud mask image?

I have a question about processing MOD35 cloud mask image. I worked reprojection on MOD35 cloud mask image using MODIS Swath Tool. The processed results of MOD35 cloud mask are consist of 6 band ...
2
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1answer
70 views

Iterate - Raster Calculator - 8 Day MODIS LST to Monthly Avg

I have 8-day MODIS Land Surface Temperature data from 2009-2013. I have used Model Builder to extract the LST_day and LST_Night Subdatasets (in different model runs). What I am attempting to do next ...
2
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1answer
39 views

Strange behaviour of MODIS 17A3 NPP values when converting from .hdf (downloaded files) to .vrt to .tif in QGIS

I was hoping someone could help explain a behaviour that I noticed while working with downloaded MODIS 17A3 .hdf files from here: ftp://ftp.ntsg.umt.edu/pub/MODIS/NTSG_Products/MOD17/MOD17A3/ The ...
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2answers
257 views

how to remove cloud values of Landsat image from R [closed]

How can I remove cloud value of the Landsat8? How can I estimate cloud values for eg: modis cloud values are from 700 to 800. By using R how can I estimate>
2
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1answer
39 views

Modis enumeration definitions

Modis MYD03 and MOD03 files contain Land/SeaMask (uint8 with valid_range=0,7) and WaterPresent (uint8 with valid_range=0,8). Though the attribute fields define the valid range, they do not define the ...
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0answers
98 views

reading raster without making QGIS apply the scale factor to the raster

Since QGIS multiplies the image with the scale factor when reading, it messes up the image if the scale factor is not properly defined to the data as QGIS expected. For example, I am reading MODIS ...
2
votes
1answer
176 views

How to handle MOD13Q1 NDVI Product Quality Assessment(QA) flags?

I am working on MOD13Q1 NDVI Product and i want to apply Savitzky Golay filter for smoothing Ndvi time series using Quality Assessment(QA) flags. I studied MOD13Q1 NDVI help file and found that ...
3
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1answer
87 views

How to interpret MOD44B 8-bit quality layer

I have 15 annual MOD44B (vegetation continuous field) HDFs for 2000-2014, working in Arcmap 10.2. Each contains several bands. The two I'm concerned with are "percent tree cover" and "quality." The ...
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10 views

corrected_Optical_Depth 3 different subdataset in extract window

i am particularly interested in extracting Aerosol data from the hdf packed file. I have to do this over several years so i extract first aerosol_Type_Land witch give a alid Range: 0 to 4 (0=mixed, ...
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1answer
24 views

How to down load modis burned area extraction product

How to down load modis burned area extraction product . I found a link show the product but not found where can download the product geotiff image ...
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1answer
135 views

Failure in TIMESAT integral calculation

in short: My TIMESAT image-output of the seasonal parameter “Large Seasonal Integral” is wrong. TIMESAT continues to write a file with negative values (as 16 byte Integer) although Parameters should ...
1
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1answer
132 views

pixel values beyond valid range in QGIS

I opened a sub-dataset of an HDF file (NDVI layer of MODIS HDF file) in QGIS, but pixel values are beyond the valid range (-2000,10000). I see many pixels way less than -2000 and way over than 10000. ...
2
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1answer
331 views

Calculating NDWI in Erdas IMAGINE 2014

I'm using MOD09GQ product of MODIS to calculate vegetation indices in Erdas 2014, and I was able to extract NDVI using Erdas Model Builder. What is the formula I should use in model builder for ...
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2answers
439 views

Opening HDF data in QGIS on Ubuntu?

I try to open modis aqua data (HDF5 format: A2015208112000.L2_LAC_OC.nc) on QGIS 2.8 ver. And an error appears: No extra dimensions found. Could someone help me to solve this problem?
2
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1answer
232 views

Reprojecting MODIS Sea Ice Extent and IST data using GDAL

This is an additional exploration of the problem described at Reprojecting MODIS Ice Sea Temperature products with gdalwarp which was never answered in a satisfying way (I apologise for the length of ...
2
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1answer
237 views

Difference between a spectroradiometer and multispectral sensor

Let's take as an example of a spectroradiometer MODIS, and as an example of a multispectral sensor the Landsat8 (OLI). What is the difference between these two sensors? Should we compare a ...