What is the better way to handle zeros for bias correcting the satellite based precipitation?

I am using gamma distribution for correcting bias in satellite based precipitation. Can you suggest me to handle zero values ?

31 December 2017 4,533 1 View

Anyone working with APHRODITE data in R?

I was trying to read APHRODITE data in R software but could not. Any solution?

10 November 2017 7,325 3 View

How to select a row based on minimum value on two columns?

I have a matrix with x rows and 2 columns. I want to select the row which has minimum value in both columns. But the problem is minimum value does not occur at the same time in a row. Is there any...

09 October 2017 7,094 0 View

How to install MODISSnow library in R (window operating system)?

I was unable to install MODISSnow library in window platform. Can anyone help me?

05 June 2017 9,221 0 View

Any paper that considers snow interception by plant for Himalayan catchment?

how important is snow interception by plant for central Himalayas. Any reference articles.

05 June 2017 8,783 2 View

Any R package for Vulnerability mapping?

05 June 2017 4,681 0 View

How to calculate mean snow cover days?

I have raster file of snow cover days. Now i want to calculate mean snow cover days for whole raster. How to do this. Should i add values of all pixel and divide by those pixels which have snow ?

04 May 2017 6,517 2 View

What are the suitable statistical index for evaluation of gridded satellite rainfall products?

Could you explain which statistical index is better for evaluation of satellite rainfall product for Himalayan catchment?

01 February 2017 6,627 4 View

What are existing spatial downscaling techniques for increasing spatial resolution of grided climate datasets like APHRODITE, TRMM, CHIRP, MERRA?

I need to improve/increase the spatial resolution of gridded climate datasets from low to high (eg., 5 km to 90 m) for Himalayan Catchment. Can you suggest some?

31 December 2016 4,168 6 View

Snow cover elasticity of streamflow?

I am trying to study the sensitivity of river discharge to Snow Cover Area (SCA) derived from MODIS for Himalayan catchment. I found some paper using elasticity approach eg., Kour et al., 2016. Do...

31 December 2016 7,680 3 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

What are the harmful effects of these extreme rainfall on the health of newborns? What are the reasons for that?

Extreme rainfall associated with climate change is causing harm to babies in some of the most forgotten places.

01 March 2021 5,647 4 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View

Has anyone had luck using cell lines other than HEK 293 (such as COS1) to package lentivirus?

I am looking to package lentivirus in endothelial cells but I am opposed to using 293 cells due to personal ethics regarding the source. I have done some reading and saw that COS1, COS7, & CHO...

25 February 2021 3,030 1 View

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25 February 2021 5,713 1 View

Implementation of chance-constrained optimization problem via scenario approach?

23 February 2021 7,826 2 View

Fictitious Boundary Meshing Method (FBM) in Commercial FEA software?

Is it possible to implement FBM in a commercial FEA software package, such as FEMLAB, COMSOL, or open source software like Moose?

22 February 2021 2,968 1 View

Are there packages (R or Python) for simple models (bucket?) to assess soil water content?

Hi everyone. I am researching droguht effects on soil water drought. I am looking for already implemented functions in R or Python to estimate soil water content from precipitation,...

21 February 2021 2,084 1 View

Is the box plot of climatic indices better illustrate from daily data or annual data?

Hello, I hope you have a good time. I work on a research project about temperature indices. Due to the high number of indices, I only work on tables and maps on an annual time scale. In other...

19 February 2021 9,742 2 View

What are the options for global scale hydrology DEM?

Hello, I am working on a global scale hydrology GIS project delineating global watersheds and doing some data analysis. I have in the past used hydro1K from the USGS that cover the entire world....

18 February 2021 5,109 5 View