A digital elevation model (DEM) or digital surface model (DSM) is a 3D computer graphics representation of elevation data to represent terrain or overlaying objects, commonly of a planet, moon, or asteroid. A "global DEM" refers to a discrete global grid. DEMs are used often in geographic information systems (GIS), and are the most common basis for digitally produced relief maps. A digital terrain model (DTM) represents specifically the ground surface while DEM and DSM may represent tree top canopy or building roofs.
Laguna, officially the Province of Laguna, is a province in the Philippines located in the Calabarzon region in Luzon. Its capital is Santa Cruz while its largest city is the City of Calamba and the province is situated southeast of Metro Manila, south of the province of Rizal, west of Quezon, north of Batangas and east of Cavite. Laguna hugs the southern shores of Laguna de Bay, the largest lake in the country. As of the 2020 census, the province's total population is 3,382,193 . It is the seventh richest province in the country.
San Pablo, officially the City of San Pablo, is a 1st class component city in the province of Laguna, Philippines. According to the 2020 census, it has a population of 285,348 people.
Briviesca is a municipality and a Spanish city located in the north of the Iberian Peninsula, head of the judicial district of Briviesca, capital of the comarca of La Bureba and province of Burgos, autonomous community of Castile and León. According to the demographic data of 2017, the municipality has 6,861 inhabitants, being the 4th most populated in the province. The municipality of Briviesca is made up of five towns: Briviesca, Cameno, Quintanillabón, Revillagodos and Valdazo.
The Diocese of San Pablo is a Roman Catholic diocese which is a suffragan of the Archdiocese of Manila. Its patron saint or titular is Saint Paul the Hermit, the only one in the world dedicated to him.
Fortune Island is a resort island of Batangas province in the Philippines. The 27-hectare (67-acre) island lies about 14 kilometers (8.7 mi) off the coast of Nasugbu in Batangas.
The Seven Lakes of San Pablo are seven volcanic crater lakes scattered around the City of San Pablo, in the province of Laguna, Philippines.
Lake Danao is a guitar-shaped lake on the island of Leyte in the Philippines.
Lake Danao is the smaller of the two lakes located in the Balinsasayao Twin Lakes Natural Park in the southern part of Negros Oriental in the Philippines; the other being Lake Balinsasayao. The lakes and its surrounding were designated as a protected area by Proclamation No. 414 on 21 November 2000 categorized as a Natural Park covering about 8,016 hectares. The lake itself has about 28 hectares surface area.
Lake Bulusan is a lake on Luzon Island in the Philippines. It lies at the heart of Bulusan Volcano National Park which covers a land area of 3,672 hectares. It has an elevation of 360 metres (1,180 ft) and is located on the southeast flank of Mount Bulusan, an active volcano.
Lake Bunot is a volcanic crater lake and is one of the Seven Lakes of San Pablo, Laguna in the Philippines. It is located in Brgy. Concepcion, San Pablo City. Only 4.5 kilometres (2.8 mi) from the city proper, Bunot is known for its cultured tilapia and fishpens for Nilotica fingerlings. Bunot has a normal surface area of 30.5 hectares with a maximum depth of 23 metres (75 ft).
Lake Palakpakin is one of the Seven Lakes of San Pablo in Laguna province in the Philippines. Palakpakin is located in Brgy. San Buenaventura, San Pablo City. With an area of 43 hectares, it has a maximum depth of 7.5 metres (25 ft).
Lake Mohicap is one of the seven lakes of San Pablo City, in the province of Laguna, Philippines. The lake, located in Brgy. San Buenaventura, has an area of 14.5 hectares and is one of the main suppliers of water in the city. The waters of San Pablo Lakes provide a generous source of tilapia for Metro Manila and suburbs.
Lake Calibato is one of the seven crater lakes collectively called Pitong Lawa or Seven Lakes of San Pablo in Laguna province in the Philippines. The lake is situated in Brgy. Sto. Angel in San Pablo City. Calibato has an area of 42 hectares and maximum depth of 135 metres (443 ft). Calibato's maximum water capacity is approximately 29,600 cubic metres (1,050,000 cu ft). Its supplies the city and nearby towns with abundant fish and aquatic plants. The lake is the deepest recorded lake among the seven-lake system; no recorded depths are available for Muhikap.
The Laguna Volcanic Field, also known as the San Pablo Volcanic Field, is an active volcanic field in the Philippines, located between Laguna de Bay, Mount Banahaw volcano complex and Mount Malepunyo range. It is part of the larger Southwestern Luzon Volcanic Field (SWLVF). From Manila, it is about 50 kilometres (31 mi) southeast to Mount Makiling, its most prominent volcanic feature.
This glossary of geography terms is a list of definitions of terms and concepts used in geography and related fields, including Earth science, oceanography, cartography, and human geography, as well as those describing spatial dimension, topographical features, natural resources, and the collection, analysis, and visualization of geographic data. Related terms may be found in glossary of geology, glossary of agriculture, glossary of environmental science, and glossary of astronomy.
Lake Tikub is a nearly circular crater lake located in the province of Quezon, in the Philippines. The circumference of the lake is elevated and thick with foliage that steeply slopes down to the shore of the lake. The lake is located at the foot of Mount Malepunyo, and nearby is Mount Banahaw, in Brgy. Ayusan, in the town of Tiaong. Access to the lake is through Brgy. San Pedro.
Tadlac Lake, also colloquially known as Alligator Lake, is a freshwater volcanic crater lake located in Barangay Tadlac, in the municipality of Los Baños of Laguna province in the Philippines. The lake-filled maar is located along the southern shore of Laguna de Bay, the largest lake in the country, with Alligator Lake protruding out of the shore of the larger lake. If not for its slightly-elevated crater rim, Alligator Lake would be wholly engulfed by Laguna de Bay.
Khakasski Nature Reserve is a Russian 'zapovednik' covering two large mountain areas, and a cluster of seven steppe sites located within the left bank of the Minusinsk depression. The reserve is situated in the Tashtypsky District of Khakassia. It was originally created to preserve steppe ecosystems, wetlands and waterfowl nesting sites, and a historical complex of monuments and cemeteries from the 4-11 centuries BC. The reserve is particularly noted for its variety of large lakes on the Yenisei River migration route for birds. The current configuration of protected sectors was established in 1999, and covers a total area of 267,483 ha (1,032.76 sq mi).
Rivnens'kiy Nature Reserve is a strict nature reserve in the northwest of Ukraine, created to protect and study the representative landscape of the Polesia region. It was established by the President of Ukraine, Leonid Danylovych Kuchma, on April 3, 1999. In accordance with the Resolution of the Cabinet of Ministers of Ukraine on August 14, 2003, the reserve was permanently transferred to a land area of 42,288 km2.
