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Topics - Diwan

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Study material / Using tenses in scientific writing
« on: December 14, 2017, 11:07:53 AM »
Dear All

May be useful.. Pls find the attachment.

Announcements / Commonwealth Rutherford Fellowships
« on: December 05, 2017, 04:20:04 PM »
Dear all


Commonwealth Rutherford Fellowships are for highly skilled researchers from other Commonwealth countries to spend one or two years at an eligible UK university or higher education institution conducting postdoctoral research.

Last date by 12.30 (GMT) on 11 December 2017 at the latest

For more details:

Study material / MathWorks seminar-Materials
« on: November 17, 2017, 12:05:08 PM »
Dear all


We had a MathWorks seminar event on Advanced Programming Techniques in MATLAB at NITK recently. I am attaching the presentation and demo codes here

Dear All


For more details:

Applications closing by 19th Nov, 2017

Announcements / Webinar on World toilet day
« on: November 08, 2017, 07:44:04 PM »
Dear all


Main topics of this webinar include:

Urban sanitation and wastewater in Asia
WASH at the workplace
Impacts of treated wastewater irrigation on soil health and productivity, and water management
Wastewater and sanitation in India


V. S. Saravanan, University of Bonn, Germany
Freya Mills, University of Technology, Australia
Halshka Graczyk, International Labour Organization - ILO
Sonja Loy, Texas A&M University, United States


Announcements / PhD Position
« on: November 07, 2017, 03:49:00 PM »
Dear All


University of Oulu in Finland is recruiting students for two PhD positions. The first position is for applied geophysics and the second one is for numerical modeling and hydrology.

Deadline for applications is 20th of November.

Follow the link for more details

Post your question/information / To the young students of hydrology
« on: October 25, 2017, 10:41:49 AM »
Dear All

Early career hydrologists can benefit from the advice of others who are more advanced in their careers. In the attached document, short answers from established hydrologists to (one or more of) the following questions:

Q1. What book or paper has been most influential to your career and why?
Q2. If I could only work on one problem in hydrology it would be […], because […]
Q3. What is your golden tip for current early career scientists?
Q4. What (avoidable) mistakes did you make early in your career?
Q5. How can young scientists improve their writing or presentations?

Announcements / Faculty recruitment NIT Tiruchirappalli
« on: October 18, 2017, 07:46:40 PM »

Announcements / India International Science Festival (IISF-2017)
« on: September 12, 2017, 12:39:34 PM »
Dear Friends


Last date of registration 15 September 2017

Programming / Reg-Weighted averaging of stacked raster-R
« on: August 20, 2017, 12:45:58 PM »
Dear All

I am trying to do averaging of three stacked raster object with weights

I changed the NA values of the raster to zero and tried like this
Code: [Select]


if(a[]==0){(x1<-0)} else{(x1<-0.50)}
if(b[]==0){(x2<-0)} else{(x2<-0.25)}
if(c[]==0){(x3<-0)} else{(x3<-0.25)}

m<-if (s==0){(a*x1)+(b*x2)+(c*x3)} else{((a*x1)+(b*x2)+(c*x3)/s)}

writeRaster(m,"D:/Test/M_1.tif", dataType = 'INT2S')

It shows warning
Code: [Select]
In if (a[]) ==0) { :
  the condition has length > 1 and only the first element will be used

result is wrong.The condition is checking only the first element and passing the weights to all it seems. I am not getting how  to check the each cells and assigning weights accordingly.
any idea pls.. Thank you for your time

Data / Error: AMSR-E Data_regarding Projection
« on: August 07, 2017, 11:33:24 PM »
Dear friends

I am trying to extract the soil moisture layers from hdf files. I tried with gdal_translate and gdalwrap. I could able to subset but not able to give the projection. The source file is EASE-grid projection.

Coordinate System is:
LOCAL_CS["GCTP projection number 97",
Origin = (-17334194.000000000000000,7344784.825000000200000)
Pixel Size = (25067.525334417933000,-25067.525298634810000)

I tried with this command

Code: [Select]
gdalwarp -s_srs EPSG:3410 -t_srs EPSG: 4326 input.hdf output.tif

I Just defined the global EPSG for cea to the source but I couldn't get the actual spatial resolution of the source (0.25 degree) in the output.

Pls give your suggestions.. Thanks for your time.. :)

Announcements / PhD Position
« on: July 22, 2017, 11:32:04 PM »
Dear All


TITLE: Catchment-scale modeling and monitoring of solute transport

Supervisor: Prof. Andrea Rinaldo
Co-supervisor: Dr. Paolo Benettin

Objective: The objective of this research is to develop suitable modeling tools to represent how different solutes (e.g. chloride, silica, nitrates) can be released from a watershed to the stream network up to an arbitrary control section. Field activities to monitor high-frequency water quality variations in one or more study sites will be an integral part of the research.

Location: EPFL, Lausanne (CH)
Start: October 2017

Contacts: for further information, please contact directly and
possible interviews to be done in the next weeks.

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