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Articles 1 - 9 of 9
Full-Text Articles in Architecture
Performance And Economic Benefits Of Four Streetscape Renovations: A Comparative Case Study Investigation, Bo Yang, Yue Zhang, Pamela Blackmore
Performance And Economic Benefits Of Four Streetscape Renovations: A Comparative Case Study Investigation, Bo Yang, Yue Zhang, Pamela Blackmore
Bo Yang
The demonstration of landscape performance benefits has become increasingly important in landscape architecture practice and in communicating to interdisciplinary audiences. This paper provides an overview of the Landscape Architecture Foundation Case Study Investigation (CSI) program and introduces four built streetscape projects investigated in the 2012 CSI program, including a large-scale permeable pavement project in Charles City, Iowa, and the American Society of Landscape Architects’ award-winning projects in Missouri, California, and Colorado. Unlike traditional streetscape design that mainly focuses on safety and engineering principles, these four streetscape projects tackled unique design challenges, and more importantly, have captured baseline data that help …
Form-Based Variables For Stormwater Quality Performance: Comparing Three Bmp Types In Five U.S. States, Bo Yang, Amanda A. Goodwin, Ryan R. Dupont, Malgorzata Rycewicz-Borecki
Form-Based Variables For Stormwater Quality Performance: Comparing Three Bmp Types In Five U.S. States, Bo Yang, Amanda A. Goodwin, Ryan R. Dupont, Malgorzata Rycewicz-Borecki
Bo Yang
The efficacy of the best management practice (BMP) systems for stormwater treatment has been extensively discussed in respect to water quality. However, little research has been conducted on how form-based variables (e.g., shape, length) can affect the performance of BMP systems. This study presents empirical findings from three common BMP types—detention, retention, and wetland channel—in urban settings of five U.S. states. Total suspended solids (TSS), the number one pollutant carrier in stormwater, is selected for comparison. Multiple years of water quality data are collected from on-site grab samples and from the International Stormwater Database. Geographic Information System (GIS) is used …
3d Digital Graphics In Landscape Architecture Professional Practice: Current Conditions In A Nutshell, Shujuan Li, Bo Yang, Jie Yan
3d Digital Graphics In Landscape Architecture Professional Practice: Current Conditions In A Nutshell, Shujuan Li, Bo Yang, Jie Yan
Bo Yang
3D digital graphics and representation have been a critical part in landscape architecture professional practice. However, few studies have been conducted to document how 3D digital graphics are currently being used. Some important questions are largely unknown. For example, who are the primary users of 3D digital graphics programs, and what are the most popular 3D software packages, and why. A better understanding of these questions is not only important to practitioners, but also to educators and software developers. This study tackles the above questions through a national online survey of landscape architecture firms. Five sets of questions were asked, …
Reflections On Developing Landscape Performance Case Studies, Jessica Canfield, Bo Yang
Reflections On Developing Landscape Performance Case Studies, Jessica Canfield, Bo Yang
Bo Yang
Increasingly landscape architects are being asked to design and evaluate high-performing, multi-functional landscapes. To grow the profession’s knowledge about landscape performance, in 2010 the Landscape Architecture Foundation (LAF) launched the Landscape Performance Series (LPS). The centerpiece of the LPS are case studies, which aim to illustrate the sustainable features and subsequent benefits of high-performing built works. Though LAF has established guidelines for the content and format of its LPS case studies, a formalized procedure for identifying and quantifying a project’s landscape performance benefits has yet to be developed. As foundation for a forthcoming set of performance benefit guidelines, we reflect …
Green Infrastructure Design For Stormwater Runoff And Water Quality: Empirical Evidence From Large Watershed-Scale Community Developments, Bo Yang, Shujuan Li
Green Infrastructure Design For Stormwater Runoff And Water Quality: Empirical Evidence From Large Watershed-Scale Community Developments, Bo Yang, Shujuan Li
Bo Yang
Green infrastructure (GI) design is advocated as a new paradigm for stormwater management, whereas current knowledge of GI design is mostly based on isolated design strategies used at small-scale sites. This study presents empirical findings from two watershed-scale community projects (89.4 km2 and 55.7 km2) in suburban Houston, Texas. The GI development integrates a suite of on-site, infiltration-based stormwater management designs, and an adjacent community development follows conventional drainage design. Parcel data were used to estimate the site impervious cover area. Observed streamflow and water quality data (i.e., NO3-N, NH3-N, and TP) were correlated with the site imperviousness. Results show …
Design-With-Nature For Multifunctional Landscapes: Environmental Benefits And Social Barriers In Community Development, Bo Yang, Ming-Han Li, Shujuan Li
Design-With-Nature For Multifunctional Landscapes: Environmental Benefits And Social Barriers In Community Development, Bo Yang, Ming-Han Li, Shujuan Li
Bo Yang
Since the early 1970s, Ian McHarg’s design-with-nature concept has been inspiring landscape architects, community and regional planners, and liked-minded professionals to create designs that take advantage of ecosystem services and promote environmental and public health. This study bridges the gap in the literature that has resulted from a lack of empirical examinations on the multiple performance benefits derived through design-with-nature and the under-investigated social aspect emanated from McHarg’s Ecological Determinism design approach. The Woodlands, TX, USA, an ecologically designed community development under McHarg’s approach, is compared with two adjacent communities that follow the conventional design approach. Using national environmental databases …
Community Planning Approach And Residents’ Perceived Safety: A Landscape Analysis Of Park Design In The Woodlands, Texas, Bo Yang, Shujuan Li, Bret R. Elder, Zhe Wang
Community Planning Approach And Residents’ Perceived Safety: A Landscape Analysis Of Park Design In The Woodlands, Texas, Bo Yang, Shujuan Li, Bret R. Elder, Zhe Wang
Bo Yang
This study compares community-park design and residents’ perceptions of safety in two subdivision communities in The Woodlands, Texas. The communities were built following two different planning approaches — the ecological approach and the conventional approach. Surveys have shown that residents generally feel safer in community parks built according to the latter approach. Using landscape metrics and home-to-park proximity indicators, we examine how different planning approaches affect park design and, as a result, influence residents’ perceptions of safety. We cross-validated the results with survey studies conducted over several years. The study findings suggest that park location, spatial configuration of woody vegetation, …
Assessing Planning Approaches By Watershed Streamflow Modeling:Case Study Of The Woodlands, Texas, Bo Yang, Ming-Han Li
Assessing Planning Approaches By Watershed Streamflow Modeling:Case Study Of The Woodlands, Texas, Bo Yang, Ming-Han Li
Bo Yang
The Woodlands, Texas, is well known as a town created following Ian McHarg’s ecological planning approach that uses soil permeability to coordinate development densities and land use. Very few studies have quantitatively measured the effect of this planning approach on stormwater management. In this study, watershed stream flow modeling was conducted to assess five hypothetical land use scenarios. These scenarios were compared with The Woodlands’ 2005 condition using the Automated Geospatial Watershed Assessment (AGWA) tool that simulates watershed long-term stream flow and peak discharges during single storms. The objectives are to: (1) assess The Woodlands development conditions during 1974–2005 on …
Ecological Engineering In A New Town Development: Drainagedesign In The Woodlands, Texas, Bo Yang, Ming-Han Li
Ecological Engineering In A New Town Development: Drainagedesign In The Woodlands, Texas, Bo Yang, Ming-Han Li
Bo Yang
This paper presents a comparative study of two different drainage designs in a 10,930-ha new town development of The Woodlands, Texas. Open surface drainage by shallow grassed swales was used in the first two subdivisions that were developed with ecological approaches. Open surface drainage mimics the natural flow regime and is regarded to mitigate development impacts on watershed. In other later subdivisions, the drainage design shifted back to a conventional stormwater drainage system, that is, curb and gutter, drop inlet, and underground piping, known to concentrate stormwater and lead to downstream flooding. The objective of this study is to compare …