Variability in Atmospheric Chlorofluorocarbons (CCl3F and CCl2F2) near a Large Urban Area:  Implications for Groundwater Dating

1998 ◽  
Vol 32 (16) ◽  
pp. 2377-2382 ◽  
Author(s):  
David T. Ho ◽  
Peter Schlosser ◽  
William M. Smethie ◽  
H. James Simpson
Keyword(s):  
Urban Area ◽  
Large Urban Area ◽  
Groundwater Dating

Enhanced Methodologies to Enumerate Persons Experiencing Homelessness in a Large Urban Area

2015 ◽  
Vol 39 (5) ◽  
pp. 480-500 ◽  
Author(s):  
Catherine L. Troisi ◽  
Ritalinda D’Andrea ◽  
Gary Grier ◽  
Stephen Williams
Keyword(s):  
Urban Area ◽  
Large Urban Area

scholarly journals Numerical Tools Dedicated to Wind Engineering in Large Urban Area

2016 ◽  
Vol 04 (03) ◽  
pp. 22-29
Author(s):  
Li Wang ◽  
Sophie Puygrenier ◽  
Guillaume Caniot ◽  
Stéphane Sanquer ◽  
Didier Delaunay
Keyword(s):  
Urban Area ◽  
Wind Engineering ◽  
Large Urban Area ◽  
Numerical Tools

scholarly journals Attitudes of graduating Canadian urology residents on the job market: Is it getting better or are we just spinning our wheels?

2017 ◽  
Vol 12 (4) ◽  
pp. 104-9 ◽  
Author(s):  
Gregory W. Hosier ◽  
Naji J. Touma
Keyword(s):  
Urban Area ◽  
Response Rate ◽  
Large Urban Area ◽  
Job Market ◽  
Employment Opportunities ◽  
The Past ◽  
Agreement Score ◽  
Strongly Agree ◽  
Ideal Practice ◽  
The Ideal

Introduction: There has been increasing awareness of employment difficulties for physicians, especially surgeons, in Canada over the past few years. Our objective was to elucidate the attitudes and experiences of graduating Canadian urology residents in obtaining employment.Methods: We surveyed four separate cohorts of graduating urology residents in 2010, 2011, 2016, and 2017. Responses from the 2010 and 2011 cohorts were combined and compared to the combined results of the 2016 and 2017 cohorts. Mean Likert responses were compared using unpaired t-tests. An agreement score was created for those responding with “strongly agree” and “agree” on the Likert scale.Results: A total of 126 surveys were administered with a 100% response rate. The job market was rated as poor or very poor by 64.9% and 58.4% of graduates in 2010/2011 and 2016/2017, respectively (p=0.67). Lack of resources was identified as the biggest barrier to improved employment in both cohorts. Networking at meetings and staff urologists at their institution were the most important factors aiding employment identified by both cohorts. The ideal practice was academic or academically associated community practices in a large urban area, with 5‒10 partners for both cohorts.Conclusions: The majority of graduating urology residents viewed the job market as poor or very poor and this did not change over a six-year period. It is unclear how much personal preference for location and practice type drove the somewhat negative outlook of employment opportunities, as the majority of residents were seeking large urban, academic, or academically associated community practices in competitive locations.

The Feasibility of Small Hydro-Electric Generation in a Large Urban Area

2012 ◽  
Vol 3 (4) ◽  
pp. 61-68
Author(s):  
Benson Y. Zhang ◽  
Adam Taylor
Keyword(s):  
Electric Power ◽  
Urban Area ◽  
Residential Buildings ◽  
Water Discharge ◽  
Storm Water ◽  
Large Urban Area ◽  
Water Pipes ◽  
Electric Generation ◽  
Micro Turbine ◽  
Urban Storm

The possibilities of generating electric power from relatively small hydro-electric sources in a large urban area is investigated. Two different aspects of hydro-electric sources have been studied: storm/waste water pipes in large multi-tenanted residential buildings and urban storm water discharge area (CSI area). The potential to generate from these sources has been investigated using a micro-turbine. The potential electric power which could be extracted from the sources was estimated using energy conservation equations under normal engineering assumptions. While technically feasible, all options are shown to be uneconomic in practice.

How much drinking water can be saved by using rainwater harvesting on a large urban area? Application to Paris agglomeration

2014 ◽  
Vol 70 (11) ◽  
pp. 1782-1788 ◽  
Author(s):  
Ali Belmeziti ◽  
Olivier Coutard ◽  
Bernard de Gouvello
Keyword(s):  
Drinking Water ◽  
Urban Area ◽  
Potable Water ◽  
Rainwater Harvesting ◽  
Reference Model ◽  
Total Current ◽  
Large Urban Area ◽  
Residential Sector ◽  
Definition Of ◽  
Building Level

This paper is based on a prospective scenario of development of rainwater harvesting (RWH) on a given large urban area (such as metropolitan area or region). In such a perspective, a new method is proposed to quantify the related potential of potable water savings (PPWS) indicator on this type of area by adapting the reference model usually used on the building level. The method is based on four setting-up principles: gathering (definition of buildings-types and municipalities-types), progressing (use of an intermediate level), increasing (choice of an upper estimation) and prioritizing (ranking the stakes of RWH). Its application to the Paris agglomeration shows that is possible to save up to 11% of the total current potable water through the use of RWH. It also shows that the residential sector offers the most important part because it holds two-thirds of the agglomeration PPWS.

Developing a Hybrid Exposure Model by Considering People’s Mobility in a Large Urban Area – London Study

2014 ◽  
Vol 2014 (1) ◽  
pp. 2679
Author(s):  
Christina Mitsakou* ◽  
James Smith ◽  
Sean Beevers ◽  
Nutthida Kitwiroon
Keyword(s):  
Urban Area ◽  
Exposure Model ◽  
Large Urban Area
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