Search found 7 matches

by onlyhesam
May 24th, 2018, 5:31 am
Forum: Dust
Topic: dust
Replies: 3
Views: 5106

Re: dust

yes, it is an acceptable methodology which has been used in Escudero, Stein and Draxler article[https://www.sciencedirect.com/science/a ... via%3Dihub] with the previous version of dust algorithm.
by onlyhesam
May 24th, 2018, 5:10 am
Forum: Dust
Topic: Deposition Amount Calculation
Replies: 1
Views: 1813

Deposition Amount Calculation

I want to Calculate the amount of dust deposition in a specific time period (in my case it is one month). To that end, I have set the deposition value base on density and diameter of my dust particle and also I consider the 0m level in height level as described in the online tutorial (https://ready....
by onlyhesam
January 7th, 2018, 9:59 am
Forum: Users
Topic: calculating PSCF FORWARD TRAYECTORIES
Replies: 1
Views: 1166

Re: calculating PSCF FORWARD TRAYECTORIES

Actually, I think you should use Kernel density analysis tool in Arc Map software instead of PSCF for forward trajectories. for more detailed information I suggest you read Mc.Gowan 2008 article
by onlyhesam
October 18th, 2017, 6:39 am
Forum: Trajectory Model
Topic: How can I get trajectory map for 30-year with NCAR reanalysis data?
Replies: 1
Views: 1202

Re: How can I get trajectory map for 30-year with NCAR reanalysis data?

Hi
you can use daily run in Trajectory--> Special run--> daily and do it monthly instead of daily. it will help you to run all your given period in 2 days or so.
About extracting the days with precipitation among all your "tdump" files I suggest you use a Python Script.
by onlyhesam
October 18th, 2017, 6:30 am
Forum: General Comments
Topic: Eulerian Approach
Replies: 1
Views: 1647

Eulerian Approach

Hi As we know the HYSPLIT is a Lagrangian Model and calculate Trajectories and concentrations through Lagrangian equations. puff(lagrangian-Gaussian and Lagrangian-top hat) and particle(Lagrangian-trajectory) model are the models which HYSPLIT use. but the question is that in the Draxler and Hess 19...
by onlyhesam
March 5th, 2017, 7:26 am
Forum: Dust
Topic: dust
Replies: 3
Views: 5106

Re: dust

You can use the methodology of this Article https://www.researchgate.net/publicatio ... ehran_Iran
by onlyhesam
March 5th, 2017, 7:18 am
Forum: Dust
Topic: soil-dust density (K) and emission area (A) in alternate emission algorithm
Replies: 1
Views: 2475

soil-dust density (K) and emission area (A) in alternate emission algorithm

Hi I have a question about the "soil-dust density (K)" and "emission area (A)" in alternate emission algorithm. Is "emission area (A)" constant parameter? for example in one of the global points file -Potential points of Feb- there are 27421 points with a resolution of 0.25 degree (about 25 Km), a p...