Technical geography
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Technical geography is the branch of
The other branches of geography, most commonly limited to human geography and physical geography, can usually apply the concepts and techniques of technical geography.[2][3][5] However, the methods and theory are distinct, and a technical geographer may be more concerned with the technological and theoretical concepts than the nature of the data.[6][7] Further, a technical geographer may explore the relationship between the spatial technology and the end users to improve upon the technology and better understand the impact of the technology on human behavior.[8] Thus, the spatial data types a technical geographer employs may vary widely, including human and physical geography topics, with the common thread being the techniques and philosophies employed.[9][10] To accomplish this, technical geographers often create their own software or scripts, which can then be applied more broadly by others.[11] They may also explore applying techniques developed for one application to another unrelated topic, such as applying Kriging, originally developed for mining, to disciplines as diverse as real-estate prices.[12][13]
In teaching technical geography, instructors often need to fall back on examples from human and physical geography to explain the theoretical concepts.[14] While technical geography mostly works with quantitative data, the techniques and technology can be applied to qualitative geography, differentiating it from quantitative geography.[1] Within the branch of technical geography are the major and overlapping subbranches of geographic information science, geomatics, and geoinformatics.[6][15]
Fundamentals
Technical geography is highly theoretical and focuses on developing and testing methods and technologies for handling spatial-temporal data.[1] These technologies are then applied to datasets and problems within the branches of human and/or physical geography.[2][3][5] Historically, technical geography was focused on cartography and globe-making.[7] Today, while technical geographers still develop and make maps, the Information Age has pushed the development of information management techniques to handle spatial data and support decision-makers.[1][8] To this end, technical geographers often adapt technology and techniques from other disciplines to spatial problems rather than create original innovations, such as using computers to aid in cartography.[12][16] They also explore adapting techniques developed for one area of geography to another, such as kriging, originally created for estimating gold ore distributions but now applied to topics such as real estate appraisal.[17][18][19] Technical geography today is theoretically grounded in information theory, or the study of mathematical laws that govern information systems.[20]
Core concepts
Autocorrelation
Autocorrelation is a statistical measure used to assess the degree to which a given data set is correlated with itself over different time intervals or spatial distances.[1][21][22][23] In essence, it quantifies the similarity between observations as a function of the time lag or spatial distance between them.[21] Autocorrelation can be positive (indicating that similar values cluster together) or negative (indicating that dissimilar values are near each other).[21] Spatial Autocorrelation involves the correlation of a variable with itself across different spatial locations. Temporal Autocorrelation involves the correlation of a signal with a delayed copy of itself over successive time intervals.[22] Autocorrelation is the foundation of Tobler's first law of geography.[1] Spatial autocorrelation is measured with tools such as Moran's I or Getis–Ord statistics.[24]
Autocorrelation is fundamental to technical geography because it provides critical insights into the spatial and temporal structure of geographical data.[1] It enhances the ability to model, analyze, and interpret spatial patterns and relationships, supporting various applications from environmental monitoring and urban planning to resource management and public health.[21] By understanding and leveraging autocorrelation, geographers can make more informed decisions, improve the accuracy of their analyses, and contribute to solving real-world geographical problems.[1]
Frequency
In statistics, frequency refers to the number of occurrences of a particular event or value within a dataset.[25][26] When dealing with spatial and temporal datasets, the concept of frequency can be applied to understand how often certain events or values occur across different locations (spatial) or over time (temporal).[26] Spatial datasets contain data points that are associated with specific geographic locations, and frequency in spatial datasets can be used to analyze patterns and distributions across different areas.[26] Temporal datasets involve data points that are associated with specific time points, and frequency in temporal datasets helps analyze trends and patterns over time.[26] Analyzing how the frequency of events changes across both space and time can reveal dynamic patterns.[1] Spatial and temporal frequency are core concepts in technical geography because they are fundamental to understanding and analyzing geographic phenomena.[1] Geography is inherently concerned with the distribution and dynamics of features across space and over time.[27][28][29]
Cartographic generalization
Cartographic generalization is the process of simplifying the representation of geographical information on maps, making complex data more understandable and useful for specific purposes or scales.[20] This process involves selectively reducing the detail of features to prevent clutter and ensure that the map communicates the intended information effectively.[1][20] The need for generalization arises because maps often depict large areas and scales, where including every detail is impractical and can overwhelm the map reader.[1] The primary goal of cartographic generalization is to balance detail with readability, ensuring that the map serves its intended purpose without sacrificing essential information.[20] By placing data in a spatial context, even though it is generalized, cartographic generalization creates additional information by revealing patterns and trends in the data.[1][20]
Effective generalization requires a deep understanding of the map's use case, the audience's needs, and the geographical context.[20] Technological advancements, such as the World Wide Web (WWW), Geogrpaihc information systems (GIS), and information theory have greatly aided cartographers in generalizing maps more efficiently and consistently.[1][20] These tools can apply generalization rules systematically, ensuring high-quality outputs even as data volume increases. Cartographic generalization is foundational in technical geography because it ensures that maps are functional, readable, and tailored to their intended use.[20] It balances the need for detail with the practical limitations of scale and medium, enhancing the effectiveness of maps as tools for communication, analysis, and decision-making.[20]
History
Early history and etymology
The term "technical geography" is a combination of the words "
"The Description confider'd as to Form is of three Sorts; The first exhibits the Earth, by a Draught or Delineation; the second by Tables, or Registers; and the third by Treties or Discourse. Hence Technical Geography may be divided into Representatory, Synoptical, and Explanatory."
— Geography reformed: a new system of general geography, according to an accurate analysis of the science in four parts, 1749, [7]
While when the term technical geography first entered the English lexicon may be difficult to ascertain, technical geography as a concept crosses cultures, and techniques date back to the origins of cartography, surveying, and remote sensing. Eratosthenes has been called the "founder of mathematical geography," and his activities are described as "little different from what we expect of a technical geographer."[33] Within the "Ptolemaic tradition" of geography started by Ptolemy, scholars have identified distinct "technical elements" in "Ptolemaic cartographic theory" such as map projection, lines of latitude and longitude, coordinates, grids, scales, and the theory of astronomically defined climates.[34] Islamic geographers later adopted these technical elements when Ptolmey's book, Geographia, was translated into Arabic in the ninth century, often mixing them with elements of traditional Islamic cartography.[34] For example, the Kitab al-Buldan, written by Ibn al-Faqih between 902–903 C.E., was described by Henri Massé as "technical geography [including] themes of adab."[35] Technical geography as a term is more than place name recollection and toponymy; it involves spatial relationships between points and theory.[36] A publication in 1889 defined the term "technical" as "especially appropriate to any art or science", and stated that "we never hear teachers questioning whether technical geography shall be taught in the schools."[37] An 1890 publication advertised that the 1891 International Geographical Congress at Berne would have five divisions in it program, with the first being technical geography listing topics like mathematical geography, geodesy, and cartography as examples of content within this division[38] These publications demonstrates that the concept and term "technical geography" was in use in the United States to some capacity by the late 1800s.
20th century
Early 20th century
In 1902, geodesy was suggested as a discipline supporting technical geography.[39] In 1908, geography professor George D. Hubbard included technical geography alongside regional geography, physical geography, and general research as courses that should be taught at in U.S. university geography departments.[40] Hubbard specifies that technical geography refers to topics such as "mathematical or astronomical geography," as well as cartography.[40] A 1910 publication in the Bulletin of the American Geographical Society (now the Geographical Review) introduced the concept of "scientific geography" and discussed employing the scientific method to geographic concepts.[41] This publication proposed how a field of scientific geography could be organized, and specified that "Phytogeography," "Zoogeography," and "Anthropogeography" could be areas where scientific principles could be applied.[41] While this publication did not use the term technical geography in its description, several later publications explicitly link scientific and technical geography.[42][43] By 1917, technical geography was included among courses taught at some British schools, alongside mathematics, chemistry, and other natural sciences.[44][Note 2] As techniques and concepts in technical geography advanced, geographers began to lament the lack of understanding and use of more advanced geographic concepts in society and law.[36] Specifically, this became an issue during the 1930s Michigan-Wisconsin Boundary Case in the Supreme Court of the United States, where the border was not defined with specific technical geographic concepts.[36] During the 1940s, Oregon State University began focusing on technical geography as part of an applied geography program.[45]
Quantitative revolution
Technical geography differentiated more clearly during the quantitative revolution in the 1950s and 1960s.
Laws of geography
The main claim for the quantitative revolution is that it led to a shift from a descriptive (
20th century technologies
The 20th century saw the rapid emergence of technologies such as computers, satellites, and the corresponding software to operate them. These technologies rapidly changed how geographers operated, and significant effort went into considering how best to incorporate them into the discipline.[1][20][12] With these technologies came new disciplines and terms like analytical cartography, which focus on mathematical modeling and theoretical implications of cartography.[67] These terms often compete and overlap with each other and often originate in separate countries, such as geographic information science in the United States, geomatics in France, and geoinformatics in Sweden.[68] Three major technologies, remote sensing (RS), Geographic information systems (GIS), and the global positioning system (GPS) are highlighted as examples of technologies characterizing technical geography.[1]
Remote sensing
Along with computers and
"There is no longer any need to preach for aerial photography-not in the United States- for so widespread has become its use and so great its value that even the farmer who plants his fields in a remote corner of the country knows its value."
Remote sensing technology again advanced rapidly during World War II, and the techniques employed were rapidly assimilated as aids in geographical studies.[70] During the Cold War, advancements in photography, aircraft, and rockets only increased the effectiveness of remote sensing techniques.[71] As the technology became available to the general public, geographers were soon overwhelmed with large volumes of satellite and aerial images. New techniques were required to store, process, analyze, and use this new data source, birthing remote sensing scientists.[71]
Computer cartography and GIS
Coinciding with the quantitative revolution was the emergence of early computers. The interdisciplinary nature of geography forces geographers to look at developments in other fields, and geographers tend to observe and adapt technological innovations from other disciplines rather than developing unique technologies to conduct geographic studies.
...if geographers reject GIS then it could fundamentally affect the outside world's perception of what geography is all about. Certainly, these external perceptions may well be based on a picture of geography as it once was, but nevertheless they cannot be ignored. "How could they be so foolish as to disown the very core of their discipline?"
With the emergence of GIS, researchers rapidly began to explore methods to use the technology for various geographic problems.[76][75] This led some geographers to declare the study of the computer-based methods their own science within geography.[76] GIS serves as the primary technology driving the field of geodesign by enabling real-time feedback in considering geography and landscape with community planning.[77]
Global Positioning System
In 1978, the United States military launched the first satellites to enable the modern
New Subdisciplines
During the quantitative revolution, several terms originated from the concept that the technologies developed during this period are a focus of independent study, including quantitative geography, geomatics, geoinformatics, and geographic information science.[68] These terms all overlap to some degree, but at least one study indicates they differ substantially enough to continue using.[68] The proliferation of these new terms may have been detrimental to their popularity, and it has been suggested that they were possibly created carelessly or hastily.[68] This has led to some confusion, and properly defining the areas covered by each term is an active field of research.[68] One paper on the topic stated the following:
With the appearance of the next new technologies, immediately, new proposals of new sciences, new subdisciplines, appear. Many authors with great ease announce the origination of a new science, frequently not caring for the proper justification of its name definition. The old definitions, developed in the context of previous technological conditions, remain in the shadow of new technologies, and are not modernised. The lack of specific terminological conditions, determined boundaries, or scopes of such definition use, encourages one to define the next terms, and the next science and research disciplines.
Quantitative geography
During the early days of the quantitative revolution, the term quantitative geography emerged as a subdiscipline within technical geography, focusing exclusively on new quantitative methods, such as spatial statistics, time geography (including visualizations such as the space-time prism and continuous transportation modeling approach), and GIS, for handling spatial-temporal data generated by novel technology like GPS and remote sensing.[83][84][85][86] This part of technical geography focuses on spatial statistics and visualizing spatial information, emphasizing quantitative data and the scientific method.[1][87]
Geomatics
In 1960,
Geoinformatics
In the late 1980s, the term geoinformatics was coined by Swedish scientist Kjell Samuelson and later defined in the 1990s as the science of integrating spatial data derived from various technologies, such as remote sensing, GPS, and GIS.[68] It was later defined by geographer Michael DeMers to include processing of spatial data through the use of computers.[68][89] This term has been described as being outside the branch of geography entirely and instead placed fully under the discipline of computer science,[68] while other sources place it under the branch of technical geography.[15] Sources have noted that there is no universally accepted definition of geoinformatics.[68]
Geographic Information Science
In the 1990s, the term Geographic Information Science (GIScience) was coined and popularized in the United States by geographer Michael Frank Goodchild to describe "the subset of information science that is about geographic information."[90][68][76] GIScience is mentioned explicitly as being separate from quantitative geography,[83] but under the branch of technical geography.[15][91] In 1995, the University Consortium for Geographic Information Science (UCGIS) was established in the United States to support the field of GIScience, such as the creation of a "model curricula" by geographer Duane Marble to help educators teach GIScience.[92][93] There has been significant debate around the term GIScience, including questioning if it can be considered a science.[94] Many geographers, including Michael Goodchild, continue to advance the use of the term today.[68]
Emergence of critical geography
In the same 1749 publication in which Cave discussed technical geography (Geography reformed: a new system of general geography, according to an accurate analysis of the science in four parts. The whole illustrated with notes)
In the history of geography since the quantitative revolution, theorists from critical geography are often viewed as in direct confrontation with those of technical and quantitative geography.[99][102] Some, such as Peter Gould, argued that these criticisms were largely due to the difficulty in learning the emerging novel technologies.[83][103] Some geographers, including Stewart Fotheringham, argue that many of the early criticisms of quantitative methods have been addressed with advances in technology, and persist due to ignorance of quantitative geography.[83] Geographer William Graf noted that some physical geographers suspect several of the philosophies underlying critical geography are "fundamentally anti-scientific."[83][98]
21st century
As new technologies and methods applied by geographers, such as spatial analysis, cartography/GIS, remote sensing, and GPS, are widely applicable to various disciplines, concern grew among geographers that these other non-geographers in other disciplines might become better at using them than geographers.[1] In response to this, in 2006, the peer-reviewed journal Geographia Technica was established to serve as an outlet for research employing quantitative, technical, and scientific methods within geography.[1][104][42]
In a 2016 paper within this journal, Ionel Haidu stated:
"The risk is that non-geographers mastering these methods analyze the spatiotemporal data and information better than the geographers. That is why the need to deal with competition induced by other sciences claiming the geographic space as their subject of study and research becomes a serious challenge for geographers. Geographers need to test and adapt to the new methods, models and procedures and implement them in all fields and development trends of Geography. By these also, Technical Geography as a new line of research and professional training becomes a necessity."
— Ionel Haidu, [1]
Technical geography as a concept re-emerges to correct the historical trend in geography of adapting rather than developing new methods, technologies, and techniques for conducting geographic research by encouraging trained geographers to pursue this line of inquiry.[1][12] While the use of the term "technical geography" itself has been debated since at least the 1700s, concepts within technical geography are often separated from the rest of geography when organizing and categorizing subfields in the discipline.[7] Terms such as "techniques of geographic analysis",[105] "geographic information technology",[106] are used synonymously with the term within textbooks.
Geographic information science and technology body of knowledge
As technology such as GIS began to dominate geography departments, the need to develop new curriculum to teach the fundamental concepts became apparent.[107] In response to this in 2006 the UCGIS published Geographic Information Science and Technology Body of Knowledge (GISTBoK), building on the "Model curricula" of the mid 90s.[93] The GISTBoK is designed to inform curriculum teaching GIS and other geospatial technologies.[93] This book is noted as having expanded the term "GIScience" to "GIScience and technology" (GIS&T).[68]
UNESCO Encyclopedia of Life Support Systems
In 2009, UNESCO Encyclopedia of Life Support Systems (EOLSS) employed the term technical geography to organize their literature related to geography, establishing a three-branch model of technical, human, and physical geography, referring to human and physical as the primary two.[2][3][6][20] The benefit of this wording is that it is consistent with the other two branches and clearly places the discipline within geography.[108] The categorization of technical geography in the EOLSS as a branch is expanded upon by Ionel Haidu in his 2016 paper What is technical geography as being a consequence of cartography shifting from simply producing maps to producing spatial information, influenced by a culmination of information theory and technology like the World Wide Web.[1]
Sub-branches
Techniques and tools
Controversy, and criticism
Ontological
Attempts at subdividing geography have often been met with criticism.
More controversially, others deny the idea that the thought and techniques of geography constitute a new branch. This argument asserts that geography must be applied and, therefore, must focus on some subset of human or physical geography.[118] They also argue that there is not enough well-established peer-reviewed literature to back the term as a new branch.[118]
Gender bias
Some have brought allegations that the culture in technical geography has introduced gender bias into geography departments as the discipline is disproportionately practiced by men and seen by some as more masculine.[100][119] Nadine Schuurman states that while there is not one reason for this discrepancy, but may be related to the broader perception of science as a "masculine domain," and the perception that tools, like GIS, employed by technical geographers are part of the military-industrial complex.[100]
Academic programs
Many academic institutions use, or have historically used, the term "technical geography" to either sub-divide their department or describe courses and content offered within their department. These include, but are not limited to:
- Babeș-Bolyai University[120]
- California State University, Long Beach[121]
- Century College[122]
- College of DuPage[123]
- Everett Community College[124]
- Grossmont College[125]
- Jacksonville University[126]
- Muhammadiyah University of Surakarta[127]
- Northwest Missouri State University[128]
- Oregon State University[45]
- South Dakota State University[129]
- Southern Utah University[130]
- Tennessee State University[131]
- University of Mary Washington[132]
- University of Maryland[133]
- University of Peshawar[134]
- University of Saskatchewan[135][136][137]
- University of South Alabama[138][139]
- Portland Community College[140]
- Weber State University[141]
Influential geographers
- Anne Kelly Knowles – influential in the use of GIS and geographic methods in History.[142]
- Arthur Getis – influential in spatial statistics[143]
- Cynthia Brewer – cartographic theorist that created the web application ColorBrewer[144]
- Ferjan Ormeling Jr. – Dutch cartographer who wrote the UNESCO Encyclopedia of Life Support Systems chapter on Technical Geography.[20]
- George F. Jenks – influential in computer cartography and thematic mapping[145][146]
- Ibn al-Faqih – Wrote Kitab al-Buldan (Ya'qubi book).[35]
- Mark Monmonier – cartographic theorist that wrote numerous books contributing to geographic information systems.[147]
- Mei-Po Kwan – geographer that coined the Uncertain geographic context problem and the Neighborhood effect averaging problem. [148][149]
- Michael DeMers – geographer that wrote numerous books contributing to geographic information systems[148][150]
- Michael Frank Goodchild – GIS scholar and winner of the RGS founder's medal in 2003.[68][76]
- Roger Tomlinson – the primary originator of modern geographic information systems.[151]
See also
- Areography (geography of Mars)– Delineation and characterization of Martian regions
- Concepts and Techniques in Modern Geography – Series of geography publications
- History of cartography
- Map communication model
- Neogeography – Amateur-focused geography
- Planetary science – Science of planets and planetary systems
- Scientific Geography Series – Series of geography publications
- Technical communication – Field of communication of technical information
- Technical drawing – Creation of standards and the technical drawings
- Technical writing – Type of written communication
Notes
- ^ While Cave published the "Geography reformed: a new system of general geography, according to an accurate analysis of the science in four parts", how much he wrote or edited is unclear. Other authors are not given within the text.
- ^ The 1917 English review article is unclear on what was included in these British technical geography courses.
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