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Questions tagged [waterways]

A waterway is any navigable body of water. A shipping route consists of one or several waterways. Waterways can include rivers, lakes, seas, oceans, and canals.

3
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1answer
27 views

Seeking shapefiles for Marshlands, swampy areas in UK?

Can anyone point me in the direction of shapefile data for all the coastal and inland areas of saltmarsh, wetland and inland marshes for the United Kingdom, including Isle of Man? OS Open Data does ...
-1
votes
1answer
131 views

Shapefiles with Ireland's Inland Waterways

I wish to produce a set of polygons for each county on the island of Ireland. I found shapefiles here of all 32 counties: https://www.townlands.ie/page/download/ The problem is that there are no ...
0
votes
0answers
105 views

Extract Certain Elements from Global OSM Database

The goal is to find all waterways in Open Street Maps globally. This is the equivalent for a random area in China in overpass turbo. Instead of doing it for this bounded area, I want to query ...
2
votes
1answer
49 views

Attributing stream segments based upon road intersections and stream confluences

I am currently working on attributing nodes along some stream polylines. The attribution is supposed to include: 1)length of the stream from it's reference point 2) the location of the node in ...
1
vote
2answers
59 views

Tracing Along Line From A Point

I have a set of point features which have been snapped to a waterways polyline feature class. I need to select the waterways where they are within 6km upstream or downstream of any given point and ...
1
vote
1answer
28 views

Is there a United States waterbody index number available?

In searching for this, I see that in some countries they have a waterbody index number, a unique ID for each water body. Does such a system exist in the US and is it available online or from any ...
6
votes
1answer
177 views

Missing/inconsistent River Thames map data in Overpass Turbo

I have noticed the River Thames cut off quite abruptly when applying the following query to Overpass: ( way["natural"="water"]({{bbox}}); ); out body; >; out skel qt; The resulting data is ...
8
votes
2answers
15k views

Difference between irradiance and radiance, remote sensing reflectance and water leaving radiance

I've been trying to lay my hands on textbooks, etc, that explain the differences between the remote sensing terms in lay man language. radiance and irradiance remote sensing reflectance and water ...
2
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0answers
56 views

Inland shipping GPS data, flag upstream/downstream movement [closed]

In the context of greening the inland shipping industry I am analyzing GPS data on moving ships. For these ships I would like to separate the data for upstream/downstream movement (up/down river). ...
1
vote
1answer
106 views

How does Ellipsoidal Height and Geoidal Height impact water flow? [closed]

I see this as a common theme Ellipsoidal height doesn't dictate water flow. Take a shot at explaining this. I think I understand this but it sounds like it would be of use to have a question about ...
1
vote
0answers
30 views

Looking for Web service standard to disseminate water level data

I’m about to lead a project that has to disseminate observed, forecasted and predicted water level data coming from tide gauges. I did a lot of research to identify which dissemination standards to ...
1
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0answers
97 views

Modelling open water flow in TIN-model using ArcGIS for Desktop?

I have a TIN-model created from 1800 xyz-coordinates (that I also have). There is an pipe leading all the water in and on for all the water out. I would very much like to simulate movement of the ...
2
votes
1answer
133 views

Counting intersections from multiple shapefiles in counties?

I have several polygon shapefiles of counties in 6 US states. I also have three shapefiles of country-wide "impaired waterways" a line, a polgyon, and a point feature classes. What I want is a ...
1
vote
3answers
768 views

World map with clear difference between land, sea and inland waterways

I'm looking for a free high resolution map that clearly indicates the land and sea in the world. I need it to calculate distances over sea between ports. Additionally it should also include inland ...
1
vote
1answer
141 views

Water diving and depth measuring equipment

We go to villages and forest to deepwell rig for water. Can anyone help in identifying a GPS and water depth measurement devices please? we do 4-6" deepwell rigging for ground water in mozambique ...
3
votes
0answers
316 views

How to perform mass-balance analysis with ArcHydro [closed]

I was wondering if there is any online manual/instruction for carrying out water mass balance analysis using ArcHydro? I have searched for such information, and the closest thing I can find is a ...
1
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0answers
90 views

Creating model that simulates water flowing down crack, then splitting at 'Y' joint?

Maybe this is a simple problem, but I've been given a task of simulating how water flows in one line, along a crack, and then hits a 'Y' junction, where half the water flows in each of the split ...
0
votes
1answer
55 views

Water Quality Data Acquisition Sources

I was wondering what sources are available, or if anyone has water quality data for the Great Lakes and specifically Lake Ontario? We are interested in mapping Phosphorus, Organic Matter, Nitrogen ...
8
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2answers
2k views

Selecting only canals that are connected to reservoirs?

I have a polygon layer of water reservoirs and a polyline layer of canals. In my data, some canals are originating from reservoirs, and leading to other canals. On the other hand there are some ...
3
votes
1answer
725 views

Where can i find free mapnik map styles with focus on waterways?

I am using Google maps for my map tiles. These tiles are very road oriented. As i am making an application for waterways i would like to change my map so that its main focus is on waterways. I have a ...
13
votes
2answers
735 views

How to route over waterways?

There is a lot of information about (pg)routing over normal ways. Normal ways are man made and kind of ideal for routing. However i am interested in routing over waterways. In theory this should be ...