• Geographical information systems (GISs) are now widely applied in hydrology and geomorphology to automate basin, hillslope, and stream network analyses. (researchgate.net)
  • Typically the transition from rifting to spreading develops at a triple junction where three converging rifts meet over a hotspot. (wikipedia.org)
  • Most rifts consist of a series of separate segments that together form the linear zone characteristic of rifts. (wikipedia.org)
  • Segment lengths vary between rifts, depending on the elastic thickness of the lithosphere. (wikipedia.org)
  • The earth's crust keeps all characteristics beneath the continental rifts, the only change is a decrease of thickness as a result of extension. (wdcb.ru)
  • Along with sporadic volcanic eruptions through the Pleistocene and Holocene, the basin has filled with thick sequences of sediments intercalated with tephras overlying basal ignimbrite flows. (nzgs.org)
  • These slow moving and fine-grained mass movements make up much of the Holocene erosion in the Teanaway River basin, central Cascade Range, Washington State, yet controls on earthflow activity and the resulting topographic impacts are unquantified. (copernicus.org)
  • Based on our findings, over the Holocene - and particularly in the last few hundred years - lithologic-controlled earthflow erosion in the Teanaway basin has altered valley bottom connectivity and increased delivery of fine sediments to tributary channels. (copernicus.org)
  • Significant uplift of the rift shoulders develops at this stage, strongly influencing drainage and sedimentation in the rift basins. (wikipedia.org)
  • derived from liquefaction analyses with sensitivity checks, thickness of non-liquefiable crust, anticipated lateral spread hazard, and local geological knowledge. (nzgs.org)
  • Microbiological analyses will help explore the deep biosphere in the South China Sea to examine how sharp changes in lithology (interfaces) affect subsurface community structure and function, as well as how posteruption processes have influenced past ecosystems in the deep-sea basin. (iodp.org)
  • They provide precise, high-resolution measurements of changes in aquifer-system thickness. (usgs.gov)
  • Measurements show near-linear dependence of electrical conductivity on temperature down to the lowest experimental temperature of -9 °C with no distinct change in behavior observed for subzero temperatures. (uspermafrost.org)
  • Agglutinate typically occurs in spatter cones. (usgs.gov)
  • Basaltic fissure eruptions typically initiate as curtains of fountaining basaltic spatter, bombs and lapilli, with heights of 10s to 100s of meters (e.g. (springer.com)
  • The amount of subsidence is directly related to the amount of thinning during the rifting phase calculated as the beta factor (initial crustal thickness divided by final crustal thickness), but is also affected by the degree to which the rift basin is filled at each stage, due to the greater density of sediments in contrast to water. (wikipedia.org)
  • By contrast, segments with relatively shallow inundation (typically less than ~ 1 m), such as where the fissure intersects pre-eruptive topographic highs, or where flow away from the vent (outflow) was efficient, are often associated with sub-circular vent geometries in the post-eruption ground surface. (springer.com)
  • The study reveals a strong contrast between the northeastern lake basin, characterized by a regional magnetic low punctuated by stronger local magnetic lows, many of which host hydrothermal vent activity, and the northwestern lake basin with higher-amplitude magnetic anomalies and no obvious hydrothermal activity or punctuated magnetic lows. (wiley.com)
  • These software packages will be used in the methods section to compare and contrast the effects of different depression removal algorithms and select the most appropriate algorithm for use in this research. (researchgate.net)
  • The Tauranga urban area is positioned at the south eastern edge of the Tauranga Basin, a semi-circular feature, 40 km long and 15 km wide, the eastern extent of which can be roughly defined by the current shoreline of the Tauranga Harbour, which reflects the extent of the Tauranga structural depression. (nzgs.org)
  • The formation of rift basins and strain localization reflects rift maturity. (wikipedia.org)
  • Furthermore, this site will provide constraints on mantle source, melting, and magma crystallization processes in the latest stages of basin formation. (iodp.org)
  • Extension of the linear temperature model for unfrozen conditions has been applied to geophysical studies of permafrost, but has not been experimentally validated. (uspermafrost.org)
  • An elongate lava dome that typically forms as a high-silica lava erupts on the steep flank of a volcano. (usgs.gov)
  • By comparing with the inundation and drainage maps, we find that fissure segments that were inundated with lava to greater depths (typically 1-6 m) during the eruption later became foci of lava drainage back into the fissure (internal drain-back). (springer.com)
  • Extensometers measure vertical land motion caused by changes in aquifer system thickness, but not from other deep-earth geological processes. (usgs.gov)
  • A multiscale magnetic survey of the northern basin of Yellowstone Lake was undertaken in 2016 as part of the Hydrothermal Dynamics of Yellowstone Lake Project (HD-YLAKE)-a broad research effort to characterize the cause-and-effect relationships between geologic and environmental processes and hydrothermal activity on the lake floor. (wiley.com)
  • Based on our results, spherical sand grains with small depressions, i.e. golf ball like structures, provide the optimal supporting mineral structure for microorganisms on continental shelves. (nature.com)
  • The individual rift segments have a dominantly half-graben geometry, controlled by a single basin-bounding fault. (wikipedia.org)
  • A bowl-shaped, amphitheater-like depression eroded into the head or the side of a glacier valley. (usgs.gov)
  • Deposits of alluvium are typically formed as a result of flooding or transportation in a stream or river. (usgs.gov)
  • For cold regions, a model for the temperature dependence of electrolyte conductivity at subzero temperatures is required for geophysical studies of permafrost terrain, for which salinity and tension forces may result in freezing-point depression. (uspermafrost.org)
  • Typical rift features are a central linear downfaulted depression, called a graben, or more commonly a half-graben with normal faulting and rift-flank uplifts mainly on one side. (wikipedia.org)
  • The deep practices of the new property driven by Transformation and thickness cases intended with state percentage in form. (kapitan-eng.com)
  • Located on an ice- and organic-rich polygonal terrace, the studied lake is now evolving through active thermokarst, as revealed by subsiding and eroding shores, and was likely created by water pooling within a pre-existing topographic depression. (copernicus.org)
  • Such conditions likely prevailed until ∼2000 BP , when peat accumulation stopped as water ponded the surface of degrading ice-wedge polygons, and the basin progressively developed into a thermokarst lake. (copernicus.org)
  • These changes in aquifer-system thickness contribute to vertical land motion (VLM) across the Virginia Coastal Plain, and are driven primarily by groundwater level decline due to human water usage. (usgs.gov)
  • You can use matrices to solve systems of linear golden goose trading system as long as the number of equations and variables is the same. (banglaforexacademy.com)
  • Measuring roughly 2,500 km in diameter and 13 km deep, it is the single-largest impact basin on the Moon and one of the largest in the Solar System. (eoportal.org)
  • Guelph, Ontario) to utilize the IRA algorithm(Lindsay and Creed, 2005) to remove depressions from the ground surface. (researchgate.net)
  • Hence, the project plans to send a relay satellite for Chang'e-4 to the halo orbit of the Earth-Moon Lagrange Point L2 in late May or early June 2018, and then launch the Chang'e-4 lunar lander and rover to the Aitken Basin of the south pole region about half a year later, said Tongjie Liu, deputy director of the CNSA's Lunar Exploration and Space Program Center. (eoportal.org)
  • This brings high heat flow from the upwelling asthenosphere into the thinning lithosphere, heating the orogenic lithosphere for dehydration melting, typically causing extreme metamorphism at high thermal gradients of greater than 30 °C. The metamorphic products are high to ultrahigh temperature granulites and their associated migmatite and granites in collisional orogens, with possible emplacement of metamorphic core complexes in continental rift zones but oceanic core complexes in spreading ridges. (wikipedia.org)
  • The available geological and geophysical data allow to trace how the sea-floor spreading in the Eurasian basin transforms to the rifting on the Laptev Sea continental margin. (wdcb.ru)
  • The Kechika group contains vent-proximal facies and sediment-sill complexes within the Cassiar platform, a linear paleogeographic high that developed outboard of continental shelf and trough basins. (geoscienceworld.org)
  • We identified the Black Vulture, G. californianus and Vultur gryphus as priority species based on ED and "Evolutionary Distinct Globally Endangered" (EDGE) indexes, and the lowlands of Amazon River basin and the Orinoco basin and some tributaries areas of the Guiana Shield were identified as the priority areas when mapping the phylogenetic diversity. (bvsalud.org)
  • While protective structures such as cracks and depressions promote microbial colonization, the oxygen demand is only met by good ventilation of these structures, which is supported by a high sphericity of the grains. (nature.com)
  • The IRA algorithm is accessed from the Remove Depressions subfolder of the Pre-processing menu in TAS v2.0.9 (JohnLindsay, 2005).The IRA algorithm parameters were set to minimize both the number of cells modified and the mean absolute elevation differences in the DEMs with culverts while, at the same time, enforcing drainage over flat areas. (researchgate.net)
  • Both forms of forgetting are typically observed in recall tests, in which the to-be-forgotten and to-be-remembered information is tested independent of original cuing. (hbz-nrw.de)
  • using the full reservoir thickness (FRT) beneath the closures and using only the thickness from the closure top to the spill point (TSP), i.e., within structural traps. (escubed.org)
  • They typically consist of many separate vents. (usgs.gov)