Spherical Earth
The concept of a spherical Earth dates back to ancient Greek philosophy from around the 6th century BC, but remained a matter of philosophical speculation until the 3rd century BC, when Hell...
Was Magellan The First Person To Circumnavigate The Globe?
The Portuguese explorer Ferdinand Magellan is often credited as being the first person to have circumnavigated the globe, but the reality of his journey is a bit more complicated.
Age of Discovery
Artwork and map animation help illustrate the exciting voyages of Prince Henry the Navigator, Díaz, Columbus, Vasco da Gama, Magellan, Ponce de León, Balboa,...
Age of Discovery
The Age of Discovery is a period of European global exploration that started in the early 15th century with the first Portuguese discoveries in the Atlantic archipelagos and Africa, as well as the dis...
Geodesy
Geodesy (/dʒiːˈɒdɨsi/), — also known as geodetics or geodetics engineering — a branch of applied mathematics and earth sciences, is the scientific discipline that deals with the measurement and repre...
Was Magellan The First Person To Circumnavigate The Globe?
The Portuguese explorer Ferdinand Magellan is often credited as being the first person to have circumnavigated the globe, but the reality of his journey is a bit more complicated.
Ultrasound Identification
Ultrasound Identification is a real-time locating system (RTLS) or indoor positioning system (IPS) technology used to automatically determine and identify the location of objects with room accuracy.Th...
List of spatial analysis software
Spatial analysis software is software written to enable and facilitate spatial analysis. Currently, there are several packages, both free software and proprietary software, which cover most of the spa...
Terralink International
Terralink International is a New Zealand owned and operated provider of Geographic information systems (GIS) and mapping solutions.
Terralink International specialises in delivering mapping, prope...
GeoWeb Conference
The GeoWeb Conference focuses on the emergence of a true geographic dimension to the World Wide Web, and on the impact of Internet technologies on the acquisition, processing and visualization of geog...
Conservation Geoportal
The Conservation Geoportal was an online geoportal, intended to provide a comprehensive listing of geographic information systems (GIS) datasets and web map service relevant to biodiversity conservati...
Instantatlas
InstantAtlas is a data visualization and reporting tool used for communicating location-based statistical data held in spreadsheets and desktop Geographic Information System software. InstantAtlas is...
Henry Hudson
Henry Hudson (born c. 1560s/70s) was an English sea explorer and navigator in the early 17th century.Hudson made two attempts on behalf of English merchants to find a prospective Northwest Passage to ...
European Soil Database
The European Soil Database is the main source of soil information from which most other data information and services are derived Geographic_information_system. For instance, the European Soil Databa...
EGM96
EGM96 (Earth Gravitational Model 1996) is a geopotential model of the Earth consisting of spherical harmonic coefficients complete to degree and order 360.
EGM96 is a composite solution, consistin...
Suitability analysis
Suitability Analysis is the process and procedures used to establish the suitability of a system - that is, the ability of a system to meet the needs of a stakeholder or other user.
Suitability an...
Digital Earth
Digital Earth is the name given to a concept by former US vice president Al Gore in 1998, describing a virtual representation of the Earth that is georeferenced and connected to the world’s digital kn...
Alonso Sánchez
Alonso Sánchez (also known as Alonso Sánchez de Huelva) was a fifteenth-century mariner and merchant born in Huelva, Spain, on Andalusia's Atlantic coast. Legend has it that he was a mariner who reach...
Matthew (ship)
Matthew is a replica of a caravel sailed by John Cabot in 1497 from Bristol to North America, presumably Newfoundland. After a voyage which had got no further than Iceland, Cabot left again with only ...
Polar wander
Polar wander is the motion of a pole in relation to a fixed reference frame. It can be used, for example, to measure the degree to which Earth's magnetic poles have been observed to move relative to t...
UNSDI
The United Nations Spatial Data Infrastructure (UNSDI) is an institutional and technical mechanism for establishing system coherence for the exchange and applications of geospatial data and informatio...
Vincenty's formulae
Vincenty's formulae are two related iterative methods used in geodesy to calculate the distance between two points on the surface of a spheroid, developed by Thaddeus Vincenty (1975a) They are based o...
Gravimetry
Gravimetry is the measurement of the strength of a gravitational field. Gravimetry may be used when either the magnitude of gravitational field or the properties of matter responsible for its creatio...
Change detection (GIS)
Change detection for GIS (geographical information systems) is a process that measures how the attributes of a particular area have changed between two or more time periods. Change detection often inv...
Trading post
A trading post was a place or establishment where the trading of goods took place; the term is generally used, in modern parlance, in reference to such establishments in historic Northern America, alt...
Finnish Geodetic Institute
24°32′54″E / 60.16111°N 24.54833°E / 60.16111; 24.54833The Finnish Geodetic Institute (Finnish: Geodeettinen laitos, Swedish: Geodetiska institutet) is a Finnish resea...
Google Earth Engine
Google Earth Engine is a cloud computing platform for processing satellite imagery and other Earth observation data. It provides access to a large warehouse of satellite imagery and the computational...
Spanish conquest of Guatemala
The Spanish conquest of Guatemala was a protracted conflict during the Spanish colonisation of the Americas, in which Spanish colonisers gradually incorporated the territory that became the modern cou...
Luis de Santangel
Luis de Santángel (died 1498) was a baptized Jew and finance minister to Ferdinand II who made the case to Isabella I in favor of Christopher Columbus' voyage in 1492.
In 1486, Ferdinand and Isabe...