scholarly journals Microtopography of bare peat: a conceptual model and objective classification from high-resolution topographic survey data

2018 ◽  
Vol 43 (8) ◽  
pp. 1557-1574 ◽  
Author(s):  
M.W. Smith ◽  
J. Warburton
Keyword(s):  
High Resolution ◽  
Conceptual Model ◽  
Survey Data ◽  
Topographic Survey ◽  
Objective Classification ◽  
Bare Peat

Using High-Resolution MWD Survey Data in Mud Removal Simulations for Effective Cementing Program Design

2019 ◽  
Author(s):  
Leida Cristina Monterrosa ◽  
Chuang Hwee Tay ◽  
Jose Martin Salazar
Keyword(s):  
High Resolution ◽  
Survey Data ◽  
Program Design

scholarly journals Investigating Hector Convective Development and Microphysical Structure Using High-Resolution Model Simulations, Ground-Based Radar Data, and TRMM Satellite Data

2014 ◽  
Vol 71 (4) ◽  
pp. 1353-1370 ◽  
Author(s):  
Sabrina Gentile ◽  
Rossella Ferretti ◽  
Frank Silvio Marzano
Keyword(s):  
High Resolution ◽  
Conceptual Model ◽  
Vertical Structure ◽  
Mesoscale Model ◽  
Tropical Rainfall Measuring Mission ◽  
Sea Breeze ◽  
Radar Data ◽  
Full Life Cycle ◽  
Resolution Model ◽  
High Resolution Model

Abstract One event of a tropical thunderstorm typically observed in northern Australia, known as Hector, is investigated using high-resolution model output from the fifth-generation Pennsylvania State University–National Center for Atmospheric Research (PSU–NCAR) Mesoscale Model (MM5) observations from a ground-based weather radar located in Berrimah (Australia) and data from the Tropical Rainfall Measuring Mission (TRMM) satellite. The analysis is carried out by tracking the full life cycle of Hector from prestorm stage to the decaying stage. In both the prestorm stage, characterized by nonprecipitating cells, and the triggering stage, when the Hector storm is effectively initiated, an analysis is performed with the aid of high-spatial-and-temporal-resolution MM5 output and the Berrimah ground-based radar imagery. During the mature (“old”) stage of Hector, considering the conceptual model for tropical convection suggested by R. Houze, TRMM Microwave Imager satellite-based data were added to ground-based radar data to analyze the storm vertical structure (dynamics, thermodynamics, and hydrometeor contents). Model evaluation with respect to observations (radar reflectivity and TRMM data) suggests that MM5 performed fairly well in reproducing the dynamics of Hector, providing support to the assertion that the strength of convection, in terms of vertical velocity, largely contributes to the vertical distribution of hydrometeors. Moreover, the stages of the storm and its vertical structure display good agreement with Houze’s aforementioned conceptual model. Finally, it was found that the most important triggering mechanisms for this Hector event are topography, the sea breeze, and a gust front produced by previous convection.

Surface Survey and Satellite Reconnaissance: Reconstructing the Urban Layout of Mashkan-Shapir

Iraq ◽  
2012 ◽  
Vol 74 ◽  
pp. 65-74
Author(s):  
Elizabeth C. Stone
Keyword(s):  
High Resolution ◽  
Survey Data ◽  
Satellite Imagery ◽  
Large City ◽  
City Wall ◽  
Recent Introduction ◽  
Surface Survey ◽  
High Resolution Satellite Imagery ◽  
The City

The recent introduction of irrigation around the site of Mashkan-shapir, together with the availability of high resolution satellite imagery, has resulted in the preservation of architectural traces which could not be recovered when the site was researched between 1987 and 1990. In spite of recent looting, these traces have allowed the identification of the location of the palace and the reconstruction of much of the street system of this city, including the connection points across the ancient canals. Moreover, the survey data recovered through past fieldwork can be related to these traces, allowing an understanding of the larger context for many of the activities at the site, especially burial and manufacturing. Together these data provide a detailed view of how an ancient Mesopotamian city was conceived—in this instance by Sin-iddinam, who transformed it from a small village to a large city by building the city wall.

scholarly journals Supplementary material to "Hydrogeological conceptual model of andesitic watersheds revealed by high-resolution geophysics"

2019 ◽  
Author(s):  
Benoit Vittecoq ◽  
Pierre-Alexandre Reninger ◽  
Frédéric Lacquement ◽  
Guillaume Martelet ◽  
Sophie Violette
Keyword(s):  
High Resolution ◽  
Conceptual Model ◽  
Supplementary Material

scholarly journals I Don’t Want to Go Back: Examining the Return to Physical Workspaces During COVID-19

2020 ◽  
Author(s):  
Zihan Liu ◽  
Drake Van Egdom ◽  
Rhona Flin ◽  
Christiane Spitzmueller ◽  
Omolola Adepoju ◽  
...  
Keyword(s):  
United States ◽  
Decision Making ◽  
Return To Work ◽  
Conceptual Model ◽  
Survey Data ◽  
The United States ◽  
Organizational Strategies ◽  
Policy Makers ◽  
Employee Groups

Objective: We study employee perspectives on return to physical workspaces to ultimately inform employers’ and policy makers’ decision making around the return to work during COVID-19.Methods: We tested the three-component conceptual model using survey data collected in the United States in May 2020 from samples of energy workers (N = 333). Results: Females, non-Caucasians, and employees living in multi-generational households were less willing to return. Concerns about childcare were negatively related to willingness to return, whereas organizational strategies for mitigating COVID-19 transmission at work were positively related to willingness to return. COVID-19 infections in an employees’ network were also negatively related to employees’ willingness to return. Conclusions: Blanket policies may miss the nuanced needs of different employee groups. Employers and policy makers should adopt flexible approaches to ensure a return to workspaces that addresses employee concerns and needs.

scholarly journals Satellite-Derived Bathymetry for Improving Canadian Hydrographic Service Charts

2018 ◽  
Vol 7 (8) ◽  
pp. 306 ◽  
Author(s):  
René Chénier ◽  
Marc-André Faucher ◽  
Ryan Ahola
Keyword(s):  
Remote Sensing ◽  
High Resolution ◽  
Survey Data ◽  
Canadian Arctic ◽  
Synthetic Aperture ◽  
Advanced Technologies ◽  
Space Agency ◽  
Challenges And Opportunities ◽  
Optical Imagery ◽  
Remote Sensing Techniques

Approximately 1000 Canadian Hydrographic Service (CHS) charts cover Canada’s oceans and navigable waters. Many charts use information collected with techniques that predate the more advanced technologies available to Hydrographic Offices (HOs) today. Furthermore, gaps in survey data, particularly in the Canadian Arctic where only 6% of waters are surveyed to modern standards, are also problematic. Through a Canadian Space Agency (CSA) Government Related Initiatives Program (GRIP) project, CHS is exploring remote sensing techniques to assist with the improvement of Canadian navigational charts. Projects exploring optical/Synthetic Aperture Radar (SAR) shoreline extraction and change detection, as well as optical Satellite-Derived Bathymetry (SDB), are currently underway. This paper focuses on SDB extracted from high-resolution optical imagery, highlighting current results as well as the challenges and opportunities CHS will encounter when implementing SDB within its operational chart production process. SDB is of particular interest to CHS due to its ability to supplement depths derived from traditional hydrographic surveys. This is of great importance in shallow and/or remote Canadian waters where achieving wide-area depth coverage through traditional surveys is costly, time-consuming and a safety risk to survey operators. With an accuracy of around 1 m, SDB could be used by CHS to fill gaps in survey data and to provide valuable information in dynamic areas.

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