Neda Abbasi

11 Questions 19 Answers 0 Followers

Questions related from Neda Abbasi

Crop coefficiets (Kc) values more than 1 when estimating ETa using remote sensing?

Hello everyone, I was wondering if anyone knows how to deal with crops with Kc values of more than one when we want to estimate ETa using satellite images for different crops. IS there any...

11 December 2020 10,126 1 View

How to convert binary rainfall data to raster layers in r?

I want to convert rainfall data of CMORPHv1 from binary to raster in R. I could not find any way or code.

25 February 2020 292 4 View

How to detect cropland in google earth engine?

I want to detect cropland and noncropland areas using sentinel2 on the google earth engine platform. I have tried some codes but still, it is not precise. Cloud masking of sentinel 2 is not...

17 November 2019 8,197 2 View

How can I prepare a time series of irrigated area in R, QGIS or google earth engine?

I want to prepare cultiuated areas using landsat monthly. each 5 to 6 scenes cover my stduy area. I want to know following points: 1- how to dowload my study area's images automatically 2- How to...

07 May 2019 7,104 3 View

Is there any difference between water resources vulnerability assessment and water security assessment?

I want to calculate vulnerability assessment of water resources as well as farmers water security.

24 June 2017 4,492 4 View

What are needed data for vulnerability assessment of non-centralized management in water resources and consumption?

I want to study on the downsides of non-centralized management in relation to water resources management. I want to know the data I should gather.

21 March 2017 5,342 6 View

Does anyone know anything about Mike 11 NAM model which is regarding rainfall-runoff calculation?

I need to know about this model and the way it calculates rainfall-runoff

09 August 2016 3,122 9 View

Has anyone conducted water productivity calculations?

I wanna know about different method regarding water productivity calculations.

12 February 2016 3,603 15 View

How can I calculate a and b in dT=b+aT and also sensible heat flux by using SEBAL Algorithm?

I am working on SEBAL algorithm by using Landsat images in order to calculate evapotranspiration. i should find cold and hot pixels but I don't know how i can work out a and b in the said equation...

01 February 2016 8,578 4 View

CMORPH v1 subdaily data extraction

I want to convert the binary format of CMORPH data to either tif or nc. I tried R as well as CDO but no result. any idea about how I can extract sub-daily layers.

01 January 1970 7,062 1 View

GRIB format conversion to netcdf in windows

I have downloaded ERA5 precipitation data for 20 years in grib fomat. I do not know how to work with this format. I tried many ways but no result. I am familiar just with R. Any suggesstion?

01 January 1970 2,211 4 View