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Questions related to Remote Sensing
Sometimes, we need to compare datasets with different resolutions to establish a relation. I have to compare NDVI time-series with data having 250 meter resolution. Is it ok to create NDVI...
30 April 2021 7,164 12 View
Dear researchers, Does anyone know how to use BASINS for Water Quality Analysis Simulation Program (WASP) model? Since the database in BASINS is mainly from US, how can I apply it for other...
30 April 2021 5,017 3 View
I'm recently doing the research on the impacts of smouldering in the arctic, but due to the travel restriction, I'm doing this remotely. My current issue is to identify the smouldering from...
28 April 2021 6,190 4 View
Several works available in the literature have addressed regression models for the prediction of mass yields and elemental composition of the bio-oil/biocrude produced from biomass thermochemical...
23 April 2021 5,286 5 View
Hi everyone. I am trying to create an NDVI with a one-kilometer resolution. I have downloaded MODIS images and then I realized bands 1 and 2 of the images, which are used to create NDVI, come at...
22 April 2021 2,322 8 View
I want to extract the rendered RGB value and search for similar ones. I want the search option to include RGB color values to find the pixels from the image. For example, a satellite image has...
19 April 2021 7,634 8 View
how does the alkalinity or acidity effect the morphology of the biochar particles derived from biomass conversion via pyrolysis or hydrothermal liquefaction for energy storage applications?
03 April 2021 3,122 4 View
Hi I am working with eCognition Developer software. resently, I used it for UAV imagery segmentation. This image is for the fall season and it has 4 bands( Green, Red, Reg and NIR). My purpos is...
02 April 2021 3,380 3 View
I Need remote sensing data for cyclone SIDR and AILA based on Coastal Area. I know Spot satellite all images are free before 5 years. So I need images from 2002 -2015.
01 April 2021 6,724 7 View
I have 5 cm, 8 cm, 10 cm, 18 cm, 20 cm volumetric water content data from TDR sensor that records every 15min. I want to know ΔS at (0-30 cm) to calculate ET by water balance method. I changed...
31 March 2021 895 5 View
I have been trying to download the bands 10 and 11 of LANDSAT 8 for a GIS analysis however the images downloaded from both Glovis and Earthexplorer have been resampled to a 30meters spatial...
25 March 2021 4,555 6 View
Dear Land-use community, Does anyone know future projection productions of land use classes? Resolution: better below 1km Periods: 2100 CMIP6 Regions: global Thanks for any information.
23 March 2021 4,894 7 View
What tools in ENVI should I use to perform post-classification sorting of Landsat 8 image? My goal is to incorporate ancillary data (i.e. DEM) in the post-classification process to enhance the...
21 March 2021 980 3 View
I am first time trying to use some REE plots and I am unable to find the equation for obtaining the Sm/Sm* and Nd/Nd*, I have searched in books but not able to find the proper equation.
05 March 2021 5,912 8 View
As we know, crop yield estimation has been done traditionally with farmer's expert knowledge, deductive sampling in representative areas, and remote sensing with satellite imagery. Farmer's Expert...
02 March 2021 3,754 3 View
I am looking for literature which will shed some clear light on following. I am using a certain datasets of Photosynthetic Photon Flux Density (PPFD) having unit umol/m2/s. It is collected daily...
02 March 2021 566 1 View
I believe that we need to share our experience in publishing in the field of Hyperspectral Imaging or remote sensing? What is the best journal that you publish with? What is the worst experience...
24 February 2021 3,678 4 View
Hello, I'm very interested in mapping and managing the conservation of the Philippine traditional medicinal plants, in which I think is very helpful in the field of medicine for further analysis...
22 February 2021 704 5 View
Hello Dears My goal is to classify dense forest tree species using drone images. Is it possible to classify dense cloud points? If yes, in what way and in what software? Thankful
16 February 2021 3,735 3 View
I'm working with different satellite imagery and I was wondering if there is a way to see what units (DN, radiance, reflectance) the pixel values are in. Currently I'm using ENVI, QGIS and SNAP...
15 February 2021 5,258 3 View
Dear friends i am facing a problem during my research work. I am in need to collect small pieces -sufficient for maceration, from the main trunk of the tree, including forest trees. Could...
14 February 2021 3,947 4 View
In each iteration, I get the same value of H for different values of aerodynamic resistance and the temperature difference between two heights. Do the results make sense? Is it necessary to adjust...
08 February 2021 9,121 2 View
If sampling is being conducted in a forest plantation to estimate timber volume, some foresters use the mean height of dominant trees in a sample as the height before using volume tables (The...
05 February 2021 919 4 View
Dear all, I'd like to open here a sort of forum for understanding how the geodesists community is moving in view of the X-band SAR satellite constellation. The new constellation will offer new...
25 January 2021 6,492 0 View