419 research outputs found
Dressing the Emperor: The Role of Three-Dimensional Information Visualization Software in the Development of Three-Dimensional Hydrogeologic Models
This poster was presented at the 2006 Annual Meeting of the Geological Society of America, October 22-25, 2006, Philadelphia, Pa.The goal of this research is to develop a model that describes the saturated and unsaturated groundwater flow in Berrien County, Michigan (1,350 km2), an area containing a complex sequence of glacio-lacustrine deposits. Stone and others (2001) mapped the morphosequences in Berrien County at a scale of 1:24,000, which includes georeferenced structure contours for 20 individual units. We have developed a methodology to translate this detailed morphostratigraphy into a solid three-dimensional geologic model, and then into a three-dimensional block of data that can be used as input to a finite-difference groundwater-flow model. Letsinger and others (2006) describe the process of using geographic information system software to convert the structure contours into georeferenced raster layers that describe each unit. At this stage of the reconstruction, only the bounding surfaces between the units are defined. In order to stack the units in vertical space using customized computer code, a “virtual well field” (regularized two-dimensional array of points) samples each x-y location in each of the 20 rasterized data layers. Units that are intersected from the top bounding surface (surface topography) to the bottom bounding surface (bedrock surface) are then identified. The result of this step is a vector (one-dimensional array) at each virtual well location that describes the elevation of each morphostratigraphic unit boundary intersected at that location. However, at this stage, the model is essentially a regularized three-dimensional point cloud, and three-dimensional information visualization software (3DIVS) is then utilized to generate a solid geologic model by interpolating the vertical geologic “samples” throughout the model domain. A finite-difference grid (“brickpile”) at the chosen resolution of the groundwater-flow model is then generated from the solid geologic model using data-processing functions of the 3DIVS
Impaired Competence for Pretense in Children with Autism: Exploring Potential Cognitive Predictors.
Lack of pretense in children with autism has been explained by a number of theoretical explanations, including impaired mentalising, impaired response inhibition, and weak central coherence. This study aimed to empirically test each of these theories. Children with autism (n=60) were significantly impaired relative to controls (n=65) when interpreting pretense, thereby supporting a competence deficit hypothesis. They also showed impaired mentalising and response inhibition, but superior local processing indicating weak central coherence. Regression analyses revealed that mentalising significantly and independently predicted pretense. The results are interpreted as supporting the impaired mentalising theory and evidence against competing theories invoking impaired response inhibition or a local processing bias. The results of this study have important implications for treatment and intervention
Coastal and oceanic fish larvae in an area of upwelling off Yaquina Bay, Oregon
by Sally L. Richardson, William G. Pearcy.Reprinted from Fishery bulletin 75(1):125-145.This archived document is maintained by the State Library of Oregon as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.Includes bibliographical references (pages 144-145).Mode of access: Internet from the Oregon Government Publications Collection.Text in English
Distribution and duration of pelagic life of larvae of Dover sole, Microstomus pacificus; rex sole, Glyptocephalus zachirus; and petrale sole, Eopsetta jordani, in waters off Oregon
William G. Pearcy, Michael J. Hosie, Sally L. Richardson.Reprinted from Fishery bulletin 75(1):173-183.This archived document is maintained by the State Library of Oregon as part of the Oregon Documents Depository Program. It is for informational purposes and may not be suitable for legal purposes.Includes bibliographical references (pages 182-183).Mode of access: Internet from the Oregon Government Publications Collection.Text in English
Dressing the Emperor: The Role of Three-Dimensional Information Visualization Software in the Development of Three-Dimensional Hydrogeologic Models
This poster was presented at the 2006 Annual Meeting of the Geological Society of America, October 22-25, 2006, Philadelphia, Pa.The goal of this research is to develop a model that describes the saturated and unsaturated groundwater flow in Berrien County, Michigan (1,350 km2), an area containing a complex sequence of glacio-lacustrine deposits. Stone and others (2001) mapped the morphosequences in Berrien County at a scale of 1:24,000, which includes georeferenced structure contours for 20 individual units. We have developed a methodology to translate this detailed morphostratigraphy into a solid three-dimensional geologic model, and then into a three-dimensional block of data that can be used as input to a finite-difference groundwater-flow model. Letsinger and others (2006) describe the process of using geographic information system software to convert the structure contours into georeferenced raster layers that describe each unit. At this stage of the reconstruction, only the bounding surfaces between the units are defined. In order to stack the units in vertical space using customized computer code, a “virtual well field” (regularized two-dimensional array of points) samples each x-y location in each of the 20 rasterized data layers. Units that are intersected from the top bounding surface (surface topography) to the bottom bounding surface (bedrock surface) are then identified. The result of this step is a vector (one-dimensional array) at each virtual well location that describes the elevation of each morphostratigraphic unit boundary intersected at that location. However, at this stage, the model is essentially a regularized three-dimensional point cloud, and three-dimensional information visualization software (3DIVS) is then utilized to generate a solid geologic model by interpolating the vertical geologic “samples” throughout the model domain. A finite-difference grid (“brickpile”) at the chosen resolution of the groundwater-flow model is then generated from the solid geologic model using data-processing functions of the 3DIVS
Corrigendum: Can Programming Frameworks Bring Smartphones into the Mainstream of Psychological Science?
A corrigendum on Can Programming Frameworks Bring Smartphones into the Mainstream of Psychological Science? by Piwek, L., Ellis, D. A., and Andrews, S. (2016). Front. Psychol. 7:1252. doi: 10.3389/fpsyg.2016.01252 Due to an oversight, Sally Andrews was not included in the author list. The updated author contributions statement appears below. The authors apologize for the mistake. This error does not change the scientific conclusions of the article in any way. The original article has been updated
Map Showing Sinkhole Development Risk in South-Central Indiana and North-Central Kentucky
Three-dimensional geologic framework model of the glacial interlobate region of northern Allen County, Indiana
OFS2012-0
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