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Topic Review
概率时间地理建模
The possibility of moving objects accessing different types of points of interest (POI) at specific time is not always the same, so quantitative time geography research needs to consider the actual POI semantic information, including POI attributes and time information.
  • 112
  • 22 Jan 2024
Topic Review
Zonguldak basin
The Zonguldak basin of North Western Turkey has been mined for coal since the late 1800s. The basin takes its name after Zonguldak, Turkey, and is approximately 41° N. The Zonguldak basin is the only basin in Turkey with minable coal deposits. Geographically, the Zonguldak is roughly elliptical in shape with its long axis oriented roughly SW – NE, and is adjacent to the Black Sea. Three main regions have been recognized in the Zonguldak basin. These are the Armutcuk, the Zonguldak, and the Amasra from west to east respectively.
  • 396
  • 25 May 2022
Topic Review
Wind Models
Wind forecasts are widely spread because of the growth in wind power, but also because there are other applications to consider, such as the long-term scenario forecasts regarding the effects of global warming. Overall, there have been big developments in global circulation models (GCM) that inform future scenarios at the large scale, but wind forecast at a local scale is a problem that has not totally been solved.
  • 581
  • 26 Mar 2021
Topic Review
Westerlies and Asian Monsoons in Middle of China
The westerly circulation and the monsoon circulation are the two major atmospheric circulation systems affecting the middle latitudes of the Northern Hemisphere (NH), which have significant impacts on climate and environmental changes in the middle latitudes. However, until now, people’s understanding of the long-term paleoenvironmental changes in the westerly- and monsoon-controlled areas in China’s middle latitudes is not uniform, and the phase relationship between the two at different time scales is also controversial, especially the exception to the “dry gets drier, wet gets wetter” paradigm in global warming between the two. 
  • 70
  • 01 Mar 2024
Topic Review
Weddell Island
Weddell Island (Spanish: Isla San José) is one of the Falkland Islands in the South Atlantic, lying off the southwest extremity of West Falkland. It is situated 1,545 km (960 mi) west-northwest of South Georgia Island, 1,165 km (724 mi) north of Livingston Island, 606 km (377 mi) northeast of Cape Horn, 358 km (222 mi) northeast of Isla de los Estados, and 510 km (320 mi) east of the Atlantic entrance to Magellan Strait. With an area of 265.8 km2 (102.6 sq mi) Weddell is the third largest island in the archipelago after East Falkland and West Falkland, and one of the largest private islands in the world. It has only one inhabited location, Weddell Settlement, with a single digit population engaged in sheep farming and tourism services. The island offers walks to wildlife watching sites and scenery destinations including some spectacular landscapes featuring the famous Falklands stone runs. Weddell is both an Important Plant Area and a priority Key Biodiversity Area. It is a remote place, infrequently visited by a resupply ship and occasionally by private yachts, accessible by air with a short (some 200 km (120 mi)) if expensive flight from the Falklands capital, Stanley.
  • 1.0K
  • 02 Nov 2022
Topic Review
Visualization of Cultural Heritage Objects
Cultural heritage includes everything we have inherited from previous generations. It is a valuable asset that links the past to the present. For many countries, it is both part of the national identity and an important economic engine. However, cultural heritage is constantly threatened by natural and anthropogenic factors. Therefore, the documentation of cultural heritage is very important. Registering all elements of cultural heritage has many advantages when it comes to understanding its intrinsic value, assessing its significance, and preserving and managing it.
  • 234
  • 18 Jul 2023
Topic Review
Using Remote Sensing to Detect Suspended Sediment
Glacier-fed hydrological systems in high latitude regions experience high seasonal variation in meltwater runoff. The peak in runoff usually coincides with the highest air temperatures which drive meltwater production. This process is often accompanied by the release of sediments from within the glacier system that are transported and suspended in high concentrations as they reach the proglacial realm. Sediment-laden meltwater is later transported to the marine environment and is expressed on the surface of fjords and coastal waters as sediment plumes. Direct monitoring of these processes requires complex and time-intensive fieldwork, meaning studies of these processes are rare. 
  • 393
  • 13 Jul 2022
Topic Review
Urban Growth Boundary
With the rapid and unregulated nature of urban expansion occurring in Chattogram, Bangladesh, the adoption of urban growth restriction mechanisms such as the urban growth boundary (UGB) can provide a robust framework necessary to direct the development of built-up areas in a way that curtails the growth in environmentally sensitive areas of the city. UGBs, in simple terms, can be defined as land regulations that have been put into place, in most cases, by the local government to prohibit urban growth and development beyond a defined boundary. The UGBs are designed to protect non-urban land outside the boundary and to promote compact, contiguous, and sustainable urban development. The UGB, as an urban growth policy tool, has been implemented in a wide variety of cities in both the developed and the developing world.
  • 840
  • 20 May 2022
Topic Review
UAVs for Coastal Zone Monitoring in Island Territories
Island territories and their coastal regions are subject to a wide variety of stresses, both natural and anthropogenic. With increasing pressures on these vulnerable environments, the need to improve our knowledge of these ecosystems increases as well. Unmanned aerial vehicles (UAVs) have shown their worth as a tool for data acquisition in coastal zones.
  • 196
  • 06 Apr 2023
Topic Review
Two Medicine Formation
The Two Medicine Formation is a geological formation, or rock body, in northwestern Montana and southern Alberta that was deposited between 83.5 ± 0.7 Ma and 70.6 ± 3.4 Ma (million years ago), during Campanian (Late Cretaceous) time. It crops out to the east of the Rocky Mountain Overthrust Belt, and the western portion (about 600 metres or 2,000 feet thick) of this formation is folded and faulted while the eastern part, which thins out into the Sweetgrass Arch, is mostly undeformed plains. Below the formation are the nearshore (beach and tidal zone) deposits of the Virgelle Sandstone, and above it is the marine Bearpaw Shale. Throughout the Campanian, the Two Medicine Formation was deposited between the western shoreline of the Late Cretaceous Interior Seaway and the eastward advancing margin of the Cordilleran Overthrust Belt. The Two Medicine Formation is mostly sandstone, deposited by rivers and deltas.
  • 758
  • 10 Oct 2022
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