Isochrone maps - are they widely available?

  • Thread starter WaterEngineer
  • Start date
In summary, the speaker is looking for isochrone maps to use in a water contamination analysis. They have tried searching online but have not found much information. They mention the rational method as an alternative but prefer the time-area method, which requires isochrone maps. They also mention wanting to calculate the amount of runoff going into a river at different points. The conversation also touches on the possibility of the analysis being for the Sahara Desert and the EPA being a potential resource for information on runoff calculations.
  • #1
WaterEngineer
4
0
I need isochrone maps for a water contamination analysis. Does anyone know if these are widely available? A quick google search hasn't given me much, just information on what they are.

I could use the rational method to calculate the runoff instead, but I would rather the time-area method, for which I need the isochrone maps.

Ideally I would like to calculate the amount of runoff going into the river at different points along it.
 
Earth sciences news on Phys.org
  • #2
Would these be for the Sahara Desert?

I am, of course guessing from your time of posting and therefore your probable time zone, in the absence of better information.
 
  • #3
Last edited:

FAQ: Isochrone maps - are they widely available?

1. What are isochrone maps?

Isochrone maps are maps that show areas that can be reached from a certain point within a given time. They are commonly used in transportation planning, emergency response, and real estate to determine accessibility and travel times.

2. How are isochrone maps created?

Isochrone maps are created using geographic information systems (GIS) software that takes into account travel time and mode of transportation. The software calculates the area that can be reached within a given time based on factors such as road networks, public transportation routes, and topography.

3. Are isochrone maps widely available?

Yes, isochrone maps are widely available for various locations around the world. Many governments and transportation agencies provide them for public use, and there are also online tools and apps that allow users to generate their own isochrone maps.

4. How accurate are isochrone maps?

The accuracy of isochrone maps depends on the quality of the data used to create them. Factors such as traffic conditions, weather, and mode of transportation can also affect the accuracy. It is important to use the most up-to-date data and consider potential variables when interpreting isochrone maps.

5. What are the limitations of using isochrone maps?

Isochrone maps are based on estimated travel times and do not account for unforeseen circumstances that may affect travel. They also do not take into account individual variations in travel behavior. Additionally, isochrone maps may not be accurate for areas with limited transportation options or in rural areas with less developed road networks.

Similar threads

Program to Simulate Rain+Ground Water
Replies
8
Views
5K
Drought (possibly 'climate change') and famine 2200-2000 BCE
Replies
5
Views
2K
Temperature of Bose Einstein Condensation
Replies
3
Views
2K
Improving heat transfer in domestic hot water tank?
Replies
15
Views
2K
Cooling a marine engine while testing
Replies
6
Views
1K
Where did the water come from in Antarctica?
Replies
20
Views
7K
B Further Understanding Simultaneity Conventions
2
Replies
51
Views
3K
I Raman spectroscopy calculations
Replies
1
Views
844
A Practical use of an overall heat transfer coefficient?
Replies
14
Views
2K
Wall thickness of ring habitats for radiation shielding
Replies
4
Views
2K

Hot Threads

Recent Insights

Back
Top