Is there a high spatial and temporal resolution snow depth dataset available?

More Haiqing Soong's questions See All

Can I freeze a CoPi/ metal oxide in N2 before cutting it cross section for SEM?

Planning to do it this way, but cannot help worrying about possible changes that will happen to Co-Pi coating.

08 January 2018 5,440 2 View

How can we get all grinded sample from the mortar as most of the grinded sample were stuck there as scraping induces contamination?

Please help, thank you.

02 December 2015 2,153 7 View

How can I calculate the band gap using a plot of K.M from % R against wavelength?

Also how does one obtain absorption coefficient when only powdered sample was used? Without "a" , I cannot plot direct transition against wavelength to calculate band gap.

04 May 2015 4,961 2 View

Isoelectric point of DNA?

I was wondering how to calculate the isoelectric point of a given length of DNA. Let's say a 20 bases DNA single strand. Could anyone help on this? Thanks a lot.

21 November 2013 2,309 2 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

Literature on snowflake aggregation?

I am looking for literature suggestions on the topic of snow aggregation. My main interest is on the aggregation process itself (rather than papers describing aggregate snowflakes characteristics)...

19 February 2021 2,197 3 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

What are the recently methods to estimate low-flow and high-flow time series in ungauged basins?

Hi Is there any new method to estimate ( predict ) low-flow and high-flow regimes in daily scales for ungauged hydrometric stations? Thanks

15 February 2021 3,493 3 View

Measurement of water retention in organic substrates without a pressure plate?

Hello, I'm trying to measure the physical and hydrological properties of organic substrate media. Currently, I'm referring The book Soil sampling and Methods of Analysis by Carter and Gregorich....

09 February 2021 3,233 8 View

Hye All, Greetings, How can i get surface run off water data?

this is for my thesis project, so this is the title of my thesis, the effect of land use on hydrological components in Muar, Johor, Malaysia any ideas, guidance, and suggestions all? Thank You, :)

02 February 2021 265 5 View

How can we determine the basin borders by GIS?

Hi We are working on a research about prediction river discharge in ungauged stations. we considered some stations and each of these stations has a sub basin that we know the area of each sub...

10 January 2021 3,806 5 View

Can anyone identify this fungus/mushroom from China?

The pictures were taken in Guishan Mts in Yunnan. The fungus is ca. 10-12 cm high.

07 January 2021 6,639 10 View

Can I calculate discharge of streams/ watersheds in GIS without field data?

I am required to do a project where I have to calculate discharge of streams/ watersheds in a high altitude area with extremely treacherous terrain. Will it be possible to achieve this objective...

27 December 2020 9,101 5 View

How the problem of water scarcity in hilly region can be solved ?

the area received high rainfall, only last 3 months of hydrological year faces acute water shortage even for drinking the solution for this may be rainwater harvesting now how value...

25 December 2020 2,408 4 View