Author Archives: Adam Marshall
Zooming in on topographic maps
Topographic maps, also known as topo maps, typically display elevation characteristics, natural and structural features as well as hydrography and infrastructure data in a large-scale format. Essentially, topo maps provide a third dimension to an otherwise flat map. Topo … Continue reading
Proposed rule changes for hydraulic fracturing in Texas
Last week, we posted a blog article discussing the hydraulic fracturing (“fracking”) process as well as environmental concerns associated with the practice. Although there is no conclusive evidence that the fracturing of shale formations poses hazards to the environment, … Continue reading
Understanding the basics of aerial photography: Formats
In previous installments of our Understanding Aerial Photography blog series, we covered the History of Aerial Photography and Scaling and Formatting of Aerial Imagery. In this post, we will explore the different types of formats in which aerial imagery … Continue reading
The basics of aerial photography: scaling & resolution
In my previous blog post, we explored the history of aerial photography. In this post, we will discuss the two main factors that determine the quality of aerial photography: scaling and resolution. Scaling Scaling is one of the more … Continue reading
Understanding the basics of aerial photography: History
Aerial photography is one of the best tools anyone, especially environmental professionals, can use to determine land use changes over time. In some cases, viewing aerial photographs can be the only way to identify the history of a site. … Continue reading