人物10123 項目5049 室內539 家居及產品159 文章2343 方案1330 攝影733 視頻224 圖書201 專欄99 讀者來稿 最新評論21,631 所有作品11024 所有圖片148,147
數據分析應用:紐約皇后區地鐵站選址以及對周邊的影響
微博:轉發 6 評論 0
紐約皇后區將要在既有線路上新修一系列地鐵站。團隊通過已有的城市數據,(1)確定地鐵站位置,(2)評估和分析在地鐵站建成后,周邊區域應當怎樣被開發。
來源:伍文丹

感謝來自哥倫比亞大學MSAAD項目的楊雋超同學供稿真人平台网。

該項目為學生團隊項目,團隊成員:楊雋超,龔昀,Ubaldo Escalante,宋然

指導老師: Lucien Wilson

 

項目背景丨Project Background

紐約皇后區將要在既有線路上新修一系列地鐵站。團隊通過已有的城市數據,(1)確定地鐵站位置,(2)評估和分析在地鐵站建成后真人平台网,周邊區域應當怎樣被開發。

The City of New York was planning a series of subway station based on an existing railroad located in Queens. By analyzing existing data, we are trying to determine the location of each train station and provide suggestions for further urban development when the stations were open.

 

主要數據來源丨Source of Data

城市數據(PLUTO Data):https://www1.nyc.gov/site/planning/data-maps/open-data/dwn-pluto-mappluto.page

安全系數(Q-score):http://streetscore.media.mit.edu/data.html

分析過程概要丨Process Summary

1.布魯克林研究
由于布魯克林區和皇后區在城市發展上的相似性,我們通過數據將布魯克林區的地鐵站分類,同時,通過Q-score判定在不同分類下真人平台网,最好的地鐵站。這樣,我們可以用最好的地鐵站的數據真人平台网,指導同類型皇后區地鐵站的開發真人平台网。

2.皇后區火車站地點篩選與匹配

通過權衡建設成本和對周邊居民的影響,我們在分析既有數據的前提下,人為篩選出地鐵站的地點。然后我們對皇后區進行與布魯克林相同的分類真人平台网,并與布魯克林同類的最好地體站相匹配。

3.開發策略迭代與評估

通過類型中布魯克林地鐵站的數據所限定的范圍,迭代出皇后區地鐵站周邊的不同種開發策略。迭代完畢后真人平台网,通過迭代結果對于場地周邊的影響,評估出最適合該地區的開發方案真人平台网。

1.Brooklyn Study

Because of the similarity of Brooklyn and Queens, we categorize different stations in Brooklyn by its data and determine the best stations of different categories using Q-score. So that we could use the best stations as guidelines for the relative development in Queens.

2.Queens Station Location Filtering and Matching

By weighing the construction cost and potential impact to the adjacent residents, we analyze existing data and manually select locations for the subway station construction. We apply the same categorization standard to the stations in Queens and using the best station of the same category in Brooklyn as guidelines for future development.

3.Development Suggestion Iteration and Evaluation

After iterating different proposal for development, we evaluate different results by its potential impact of the area and pick the best plan for its development.

 

分析過程丨Process

1.布魯克林區地鐵站分析

調研過程中,我們發現布魯克林區和皇后區的相似性。由于其已然完備的軌道交通系統,布魯克林可以看做是皇后區在發展軌道交通后的樣子。因此,我們通過分析并評估布魯克林區地鐵站周邊的現有狀況,就可以了通過這項數據指導皇后區類似地段的城市開發真人平台网。

因此,通過grasshopper 提取在pluto data中,布魯克林區(Brooklyn)地鐵站0.5英里內所有地塊和0.25英里內所有地塊的如下數據:安全系數、土地用途比例、平均容積率、不同土地用途的平均容積率、人口數量(通過住房總面積推算)、土地平均價值、土地總價值。

1. Brooklyn Study

In our research process, we find the similarity between Brooklyn and Queens. With an already fully developed subway system, Brooklyn could be seen as a future version of Queens. Consequently, if we study the existing situation of the subway station in Brooklyn, and find ways to evaluate it, we will be able to use the data we selected as a guideline for the development of the similar subway stations in Queens.

In regard, by using Grasshopper, we extract from PLUTO database the following data in the radius of 0.5 miles and 0.25 miles of each station: Q-score, Land Use, Average FAR (For whole radius and different land use), Population Density (Determined by residential area), Land Price(Average and Total).

Pluto Data中提取的數據示意
?楊雋超

 

通過如下步驟,我們根據得到的布魯克林地鐵站周邊數據對地鐵站區塊進行分類:

(1)通過0.5英里內所有地塊和0.25英里內安全系數的比值,篩掉越靠近地鐵站越安全的區域(0.25英里內的安全系數平均值與0.5英里內的安全系數平均值比值過高)

(2)在剩余的地鐵站中,分別篩選出居住、商業、工廠、公共地塊比例最高+平均安全系數最高的前二十個樣本

(3)獲得上述地塊top20的樣本后,分析這些地塊的人口密度與土地價值,并得出周邊功能為居住、商業真人平台网、工業、公共的地鐵站中:

人口密度大真人平台网真人平台网,地價高,安全系數最高的樣本

人口密度大真人平台网,地價低,安全系數最高的樣本

人口密度小,地價高,安全系數最高的樣本

人口密度小真人平台网,地價低,安全系數最高的樣本

從這一步的分析中,我們從布魯克林區(Brooklyn)的數據中得到了,在已有的十四種類型的地鐵站中,安全系數最高(最安全)的樣本,接下來我們對皇后區(Queens)的地塊進行分析。

With the following steps, we analyze the data to categorize different station and determine the best station of different category:

(1)By comparing the average Q-score of 0.5 miles and 0.25 miles radius of the same station, we eliminate stations that is much safer when you get close to the station.

(2)In the rest of the sample, we divide them by land use(Which sample have the most residential, commercial, industrial, and public building block), and filter the best 20 Q-score of the four categories.

(3)After filtering the best 20 Q-score, we subdivide each group into four smaller group:

a.Samples with high population density, high land price, high q-score

b.Samples with low population density, high land price, high q-score

c.Samples with high population density, low land price, high q-score

d.Samples with low population density, low land price, high q-score

布魯克林區地鐵站安全系數最高的部分樣本示意
?楊雋超

 

2.皇后區既定路線站點篩選與匹配

通過以下步驟真人平台网,我們試圖人為篩選出地鐵站的地點以便后續研究:

(1)以地鐵線路周邊0.5英里為地鐵的服務范圍

(2)通過pluto data 篩選出鐵路服務區域附近的空地(減少拆遷成本)

(3)篩選出鐵路服務區域附近屬于政府財產的地塊(減少購置地塊成本)

(4)求出鐵路服務區域沿途的人口密度,周邊交通站點狀況(考慮地鐵站服務的輻射范圍)

(5)綜合上述數據,結合相鄰地鐵站直線距離不超過0.5英里的原則(部分大空地除外)與場地實際狀況,人工選擇地鐵站位置真人平台网,如下圖所示。

 

2.Queens Station Location Filtering and Matching

With the following steps, we are trying to manually filter the physical location of the train station for further analysis.

(1)?? ?Set 0.5 miles as the subway’s service radius

(2)?? ?Filtering vacant land in the service radius using PLUTO data (Deduct demolition cost)

(3)?? ?Filtering Government Properties in the service radius (Deduct land purchasing cost)

(4)?? ?Calculate population density, analyze transportation convenience in the service radius (Consider the actual service radius of the subway station)

(5)?? ?According to previous research, based on the principle that each subway station is within 0.5-mile reach (exclude subway station in the middle of vacant land), manually select the physical location of each subway station, Demonstrated below.

 

地鐵站區域范圍以及選點
?楊雋超

 

針對皇后區地鐵站周邊的狀況真人平台网,做與布魯克林區(Brooklyn)同類的分析。根據其的不同地塊的分類與布魯克林同類型地塊的分類配對(住宅地塊最多,商業地塊最多真人平台网,公共地塊最多,工業地塊最多)真人平台网。

將匹配的布魯克林樣本中商業地塊與住宅地塊之比,設置成為相應皇后區地鐵站的開發參考指標。

 

We apply the same categorization standard to the stations in Queens and match it with the best station of the same category in Brooklyn.

Then we are using the commercial/residential building block ratio in Brooklyn as the development guideline in the related area in Queens.

 

 

匹配結果部分如上圖所示
?楊雋超

 

3.站點附近地塊詳細分析與開發評估

這一步是以通過增加稅收償還地鐵建設費用為目的,得出該區域中不同功能地塊需要增加的面積真人平台网。

在此之后真人平台网,通過調整房屋建成年代范圍(優先拆非地標老房子),建設量遠小于法規值的地塊(容積率與法律規定容積率之比),得出不同的需要改動的地塊的位置的組合,再通過離鐵路距離,離地鐵站距離真人平台网,分配該地塊居住建筑需要增加的總面積,從而計算出不同位置組合的重建樓層數真人平台网。

通過迭代不同的組合,共算出54種開發計劃。

 

3.Development Suggestion Iteration and Evaluation

By setting paying the subway station construction fee with extra tax income which the area development could bring as a goal, we calculate the total increased area for different types of building blocks.

After that, we try to iterate different combinations of building blocks that are going to be modified by tweaking the year of built and the underbuilt ratio. (Existing FAR/Allowed maximum ratio). Then we are using subway station attraction and railroad attraction to distribute the total increased area to those different combinations, in order to obtain ?increased numbers of floors of each combination.

After the iterating every possible combination, we have 54 development plans for evaluation.

居民區數據
?楊雋超
居民區數據
?楊雋超

 

商業區數據
?楊雋超
商業區數據
?楊雋超

 

通過改動地塊與地鐵站距離真人平台网,改動地塊與公園的距離,潛在施工對周邊居民區影響,居民樓高度變化,所需重新開發的地塊數量,對上一步得出的54種結果進行再次評估,得出該地塊建成地鐵站后最適宜的發展方案。

By calculating the distance from modified building block to subway, to park, potential influence of the construction on modified building block, the expected height of the modified building block, and the number of the modified building block, we reevaluate the 54 development plans, and conclude the best one according to the weight we give to the different criteria.

 

result

根據評估指標的重要程度真人平台网,對已有評估指標分配不同的權重。根據權重計算出每一個迭代結果的分數。

分數最高的五個開發結果
?楊雋超

 

 

 

2018.09.13
請帖個標簽,寫個點評吧!
標簽(多個標簽用逗號隔開) 登錄可保存標簽
綁定新浪微博可評論

小貼士


標簽收藏可以有利于您以后的內容分類管理
->進入收藏管理頁。


blog comments powered by Disqus
真人平台网