You are currently viewing a new version of our website. To view the old version click .

ISPRS International Journal of Geo-Information, Volume 3, Issue 4

December 2014 - 16 articles

  • Issues are regarded as officially published after their release is announced to the table of contents alert mailing list .
  • You may sign up for email alerts to receive table of contents of newly released issues.
  • PDF is the official format for papers published in both, html and pdf forms. To view the papers in pdf format, click on the "PDF Full-text" link, and use the free Adobe Reader to open them.

Articles (16)

  • Article
  • Open Access
45 Citations
12,295 Views
15 Pages

4 December 2014

Volunteered geographic information (VGI) is geographic information collected by way of crowdsourcing. However, the distinction between VGI as an information product and the processes that create VGI is blurred. Clearly, the environment that influence...

  • Article
  • Open Access
19 Citations
9,285 Views
22 Pages

14 November 2014

Chlorophyll-a (chl-a) levels in lake water could indicate the presence of cyanobacteria, which can be a concern for public health due to their potential to produce toxins. Monitoring of chl-a has been an important practice in aquatic systems, especia...

  • Article
  • Open Access
23 Citations
11,730 Views
23 Pages

Areal Delineation of Home Regions from Contribution and Editing Patterns in OpenStreetMap

  • Dennis Zielstra,
  • Hartwig H. Hochmair,
  • Pascal Neis and
  • Francesco Tonini

3 November 2014

The type of data an individual contributor adds to OpenStreetMap (OSM) varies by region. The local knowledge of a data contributor allows for the collection and editing of detailed features such as small trails, park benches or fire hydrants, as well...

  • Article
  • Open Access
15 Citations
7,532 Views
18 Pages

24 October 2014

Uncertainty exists widely in geographic data. However, it is often disregarded during data analysis and decision making. Proper visualization of uncertainty can help map users understand uncertainty in geographic data and make informed decisions. The...

  • Article
  • Open Access
12 Citations
8,635 Views
13 Pages

Impacts of Scale on Geographic Analysis of Health Data: An Example of Obesity Prevalence

  • Jay Lee,
  • Mohammad Alnasrallah,
  • David Wong,
  • Heather Beaird and
  • Everett Logue

24 October 2014

The prevalence of obesity has increased dramatically in recent decades. It is an important public health issue as it causes many other chronic health conditions, such as hypertension, cardiovascular diseases, and type II diabetics. Obesity affects li...

  • Article
  • Open Access
33 Citations
11,708 Views
23 Pages

Mapping VHR Water Depth, Seabed and Land Cover Using Google Earth Data

  • Antoine Collin,
  • Kazuo Nadaoka and
  • Takashi Nakamura

23 October 2014

Google Earth (GE) provides very high resolution (VHR) natural-colored (red-green-blue, RGB) images based on commercial spaceborne sensors over worldwide coastal areas. GE is rarely used as a direct data source to address coastal issues despite the t...

of 2

Get Alerted

Add your email address to receive forthcoming issues of this journal.

XFacebookLinkedIn
ISPRS Int. J. Geo-Inf. - ISSN 2220-9964