-4
votes
0answers
52 views

Runoff calculation

I have rainfall data for specific study area; moreover, other spatial and topographic data including DEM. the question is: How to calculate the runoff for my study using ArcGIS ? best regards
3
votes
0answers
132 views

How to determine longest length of segmented polylines representing rivers? [duplicate]

I have a series of shapefiles using polylines to represent the hydro network of a region. As you can see in the picture, these polylines go into great detail. These polylines are very segmented even ...
0
votes
0answers
22 views

Upstream versus downstream relationships [duplicate]

As we konw, rivers within basins do not respect political borders, implying the necessity to determine the kind of hydro-geographic relationship there is between two riparian Administrative ...
4
votes
5answers
640 views

Calculating Runoff / Streams using DEM in ArcGIS

I am just curious about the workflow that many of you use for runoff/stream analysis using a DEM and create a "water network" from the results in ArcGIS 10.1? I know the average rainfall for different ...
2
votes
2answers
853 views

Error running ArcHydro tools function in Arcmap

I am trying to run a function from ArcHydro tools in Arcmap 10.1; Sink evaluation. But before it can finish it returns an error message, that, frankly, I don't understand at all. It goes ...
1
vote
0answers
194 views

Morphometric and hydrological analysis with Python and ArcGIS

How can I write a program using python, that calculates some morphometric and drainage indexes using numeric attributes in the attribute table with ArcGIS? The data I have in my table are area and ...
3
votes
0answers
108 views

Which geostatistical tools to use to determine surface changes over 40 years?

I have a data from the Weather station with SWEmax (snow water equivalent) collected over 40 years. I need to interpolate the data over my river's watershed and then, somehow, determine the ...