Data Package Metadata View Summary

Lots for greening: Identification of metropolitan vacant land and its potential use for cooling and agriculture in Phoenix, Arizona, USA

General Information

Data Package:

Local Identifier:

knb-lter-cap.710.1

Title:

Lots for greening: Identification of metropolitan vacant land and its potential use for cooling and agriculture in Phoenix, Arizona, USA

Alternate Identifier:

DOI PLACE HOLDER

Abstract:

This project provides the first systematic assessment of non-governmental vacant parcels for potential greening (VPPG) the Phoenix metropolitan area—land parcels that are or can be privately owned but which contain no buildings, are unpaved, have no apparent use, and are potential candidates for urban greening. To achieve the data, a new method for the identification of vacant lands was employed that combines remote sensing techniques and cadastral data and trains the computer to distinguish different forms of vacant land. The classification result proved to be an effective approach for open land identification and identified approximately 19500 ha of open land in the metro area. The model achieved an average accuracy of 90.67%. This dataset only includes VPPG and does not include other vacant land determined to be inappropriate for potential greening (developed/abandoned or impervious surface). (Overall accuracy for all classes was 87.20%).

Publication Date:

2023-01-20

Language:

english

For more information:
Visit:	https://sustainability.asu.edu/caplter/data/data-catalog/view/knb-lter-cap.710.1/xml/
Visit:	DOI PLACE HOLDER

Time Period

Begin:

2010-03-30

End:

2010-03-30

People and Organizations
Contact:	Information Manager (Central Arizona–Phoenix LTER) [ email ]
Creator:	Smith, Jordan P (Arizona State University)

Data Entities
Spatial Vector Name:	vacant_lots.geojson
Description:	vacant parcels for potential greening (VPPG) within the Phoenix, Arizona, USA metropolitan area (2010)
Spatial Vector Name:	vacant_lots.zip
Description:	vacant parcels for potential greening (VPPG) within the Phoenix, Arizona, USA metropolitan area (2010)

Detailed Metadata

Data Entities

Spatial Vector

Name:

vacant_lots.geojson

Description:

vacant parcels for potential greening (VPPG) within the Phoenix, Arizona, USA metropolitan area (2010)

Physical Structure Description:

Object Name:

vacant_lots.geojson

Size:

72811380 byte

Authentication:

278f26510ad05e1b3b22916048a79aff Calculated By MD5

Externally Defined Format:

Format Name:

GeoJSON

Coverage Description:

Geographic Region:

Description:

CAP LTER study area: greater Phoenix, Arizona (USA) metropolitan area and surrounding Sonoran desert region

Bounding Coordinates:

Northern:	33.8778	Southern:	33.2042
Western:	-112.6228	Eastern:	-111.5808

Taxonomic Range:

Classification:

Rank Name:

Species

Geometry:

Polygon

Number of Geometric Objects:

67032

Spatial Reference:

Name of Coordinate System:

GCS_WGS_1984

Attribute(s) Info:

Column Name:

APN

PUCINT

ClassValue

PCA2_STD

PCA2_MEAN

RED_MEAN

RED_STD

LUClass

LCVR

AREA_HA

AREA_M2

Definition:

assessor's parcel number

Primary Use Code

Land Cover Class

PCA2 standard deviation from 2010 NAIP Image

PCA2 mean from 2010 NAIP Image

Red band mean from 2010 NAIP Image

Red band standard deviation from 2010 NAIP Image

Land-Use Class

Land Cover Class-Descriptive

Area in hectares

Area in square meters

Storage Type:

string

float

string

float

Measurement Type:

nominal

ratio

nominal

ratio

Measurement Values Domain:

Definition

assessor's parcel number

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0
Definition	VACANT LAND
Source

Code Definition

Code	1
Definition	VACANT UNDETERMINED URBAN SUBDIVIDED
Source

Code Definition

Code	2
Definition	VACANT UNDETERMINED URBAN NON-SUBDIVI
Source

Code Definition

Code	3
Definition	VACANT UNDETERMINED RURAL SUBDIVIDED
Source

Code Definition

Code	4
Definition	VACANT UNDETERMINED RURAL NON-SUBDIVI
Source

Code Definition

Code	5
Definition	VACANT UNDETERMINED ANNEXED (SEE MANL
Source

Code Definition

Code	6
Definition	VACANT UNDETERMINED MULTIPLE USE
Source

Code Definition

Code	11
Definition	VACANT RESIDENTIAL URBAN SUBDIVIDED
Source

Code Definition

Code	12
Definition	VACANT RESIDENTIAL URBAN NON-SUBDIVID
Source

Code Definition

Code	13
Definition	VACANT RESIDENTIAL RURAL SUBDIVIDED
Source

Code Definition

Code	14
Definition	VACANT RESIDENTIAL RURAL NON-SUBDIVID
Source

Code Definition

Code	15
Definition	VACANT RESIDENTIAL / STRIP OF LD
Source

Code Definition

Code	16
Definition	VACANT RESIDENTIAL MULTIPLE USE
Source

Code Definition

Code	21
Definition	VACANT COMMERCIAL URBAN SUBDIVIDED
Source

Code Definition

Code	22
Definition	VACANT COMMERCIAL URBAN NON-SUBDIVIDE
Source

Code Definition

Code	23
Definition	VACANT COMMERCIAL RURAL SUBDIVIDED
Source

Code Definition

Code	24
Definition	VACANT COMMERCIAL RURAL NON-SUBDIVIDE
Source

Code Definition

Code	25
Definition	VACANT COMMERCIAL / STRIP OF LD
Source

Code Definition

Code	26
Definition	VACANT COMMERCIAL MULTIPLE USE
Source

Code Definition

Code	27
Definition	VACANT COMMERCIAL CONDO
Source

Code Definition

Code	31
Definition	VACANT INDUSTRIAL URBAN SUBDIVIDED
Source

Code Definition

Code	32
Definition	VACANT INDUSTRIAL URBAN NON-SUBDIVIDE
Source

Code Definition

Code	33
Definition	VACANT INDUSTRIAL RURAL SUBDIVIDED
Source

Code Definition

Code	34
Definition	VACANT INDUSTRIAL RURAL NON-SUBDIVIDE
Source

Code Definition

Code	35
Definition	VACANT INDUSTRIAL / STRIP OF LD
Source

Code Definition

Code	36
Definition	VACANT INDUSTRIAL MULTIPLE USE
Source

Code Definition

Code	41
Definition	CONDOMINIUM,URBAN, SUBDIVIDED"
Source

Code Definition

Code	46
Definition	VACANT CONDOMINIUM MULTIPLE USE
Source

Code Definition

Code	47
Definition	VACANT RESIDENTIAL CONDO
Source

Code Definition

Code	81
Definition	VACANT MOBILE HOME URBAN SUBDIVIDED
Source

Code Definition

Code	82
Definition	VACANT MOBILE HOME URBAN NON-SUBDIVID
Source

Code Definition

Code	85
Definition	VACANT MOBILE HOME RURAL NON-SUBDIVID
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	1
Definition	Bare Soil
Source

Code Definition

Code	2
Definition	Scrub
Source

Code Definition

Code	3
Definition	Grass/Trees
Source

Unit	dimensionless
Type	real
Min	0
Max	54.178501

Unit	dimensionless
Type	real
Min	0
Max	214.167007

Unit	nanometer
Type	real
Min	0
Max	216.463

Unit	nanometer
Type	real
Min	0
Max	67.011803

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	Commercial
Definition	Commercial
Source

Code Definition

Code	Industrial
Definition	Industrial
Source

Code Definition

Code	Residential
Definition	Residential
Source

Code Definition

Code	Vacant Undetermined
Definition	Vacant Undetermined
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	Bare Soil
Definition	Bare Soil
Source

Code Definition

Code	Grass/Trees
Definition	Grass/Trees
Source

Code Definition

Code	Scrub
Definition	Scrub
Source

Unit	hectare
Type	real
Min	0.0055728
Max	253.5684941

Unit	meterSquared
Type	real
Min	55.7280813
Max	2535684.94122

Missing Value Code:

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data:

https://pasta-d.lternet.edu/package/data/eml/knb-lter-cap/710/1/c5fe22a977a4708f26885884e7fe748b

Spatial Vector

Name:

vacant_lots.zip

Description:

vacant parcels for potential greening (VPPG) within the Phoenix, Arizona, USA metropolitan area (2010)

Physical Structure Description:

Object Name:

vacant_lots.zip

Size:

15346019 byte

Authentication:

d9f4652ea0214df4a96b352c371e4767 Calculated By MD5

Externally Defined Format:

Format Name:

Esri Shapefile (zipped)

Coverage Description:

Geographic Region:

Description:

CAP LTER study area: greater Phoenix, Arizona (USA) metropolitan area and surrounding Sonoran desert region

Bounding Coordinates:

Northern:	33.8778	Southern:	33.2042
Western:	-112.6228	Eastern:	-111.5808

Taxonomic Range:

Classification:

Rank Name:

Species

Geometry:

Polygon

Number of Geometric Objects:

67032

Spatial Reference:

Name of Coordinate System:

NAD_1983_UTM_Zone_12N

Attribute(s) Info:

Column Name:

APN

PUCINT

ClassValue

PCA2_STD

PCA2_MEAN

RED_MEAN

RED_STD

LUClass

LCVR

AREA_HA

AREA_M2

Definition:

assessor's parcel number

Primary Use Code

Land Cover Class

PCA2 standard deviation from 2010 NAIP Image

PCA2 mean from 2010 NAIP Image

Red band mean from 2010 NAIP Image

Red band standard deviation from 2010 NAIP Image

Land-Use Class

Land Cover Class-Descriptive

Area in hectares

Area in square meters

Storage Type:

string

float

string

float

Measurement Type:

nominal

ratio

nominal

ratio

Measurement Values Domain:

Definition

assessor's parcel number

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	0
Definition	VACANT LAND
Source

Code Definition

Code	1
Definition	VACANT UNDETERMINED URBAN SUBDIVIDED
Source

Code Definition

Code	2
Definition	VACANT UNDETERMINED URBAN NON-SUBDIVI
Source

Code Definition

Code	3
Definition	VACANT UNDETERMINED RURAL SUBDIVIDED
Source

Code Definition

Code	4
Definition	VACANT UNDETERMINED RURAL NON-SUBDIVI
Source

Code Definition

Code	5
Definition	VACANT UNDETERMINED ANNEXED (SEE MANL
Source

Code Definition

Code	6
Definition	VACANT UNDETERMINED MULTIPLE USE
Source

Code Definition

Code	11
Definition	VACANT RESIDENTIAL URBAN SUBDIVIDED
Source

Code Definition

Code	12
Definition	VACANT RESIDENTIAL URBAN NON-SUBDIVID
Source

Code Definition

Code	13
Definition	VACANT RESIDENTIAL RURAL SUBDIVIDED
Source

Code Definition

Code	14
Definition	VACANT RESIDENTIAL RURAL NON-SUBDIVID
Source

Code Definition

Code	15
Definition	VACANT RESIDENTIAL / STRIP OF LD
Source

Code Definition

Code	16
Definition	VACANT RESIDENTIAL MULTIPLE USE
Source

Code Definition

Code	21
Definition	VACANT COMMERCIAL URBAN SUBDIVIDED
Source

Code Definition

Code	22
Definition	VACANT COMMERCIAL URBAN NON-SUBDIVIDE
Source

Code Definition

Code	23
Definition	VACANT COMMERCIAL RURAL SUBDIVIDED
Source

Code Definition

Code	24
Definition	VACANT COMMERCIAL RURAL NON-SUBDIVIDE
Source

Code Definition

Code	25
Definition	VACANT COMMERCIAL / STRIP OF LD
Source

Code Definition

Code	26
Definition	VACANT COMMERCIAL MULTIPLE USE
Source

Code Definition

Code	27
Definition	VACANT COMMERCIAL CONDO
Source

Code Definition

Code	31
Definition	VACANT INDUSTRIAL URBAN SUBDIVIDED
Source

Code Definition

Code	32
Definition	VACANT INDUSTRIAL URBAN NON-SUBDIVIDE
Source

Code Definition

Code	33
Definition	VACANT INDUSTRIAL RURAL SUBDIVIDED
Source

Code Definition

Code	34
Definition	VACANT INDUSTRIAL RURAL NON-SUBDIVIDE
Source

Code Definition

Code	35
Definition	VACANT INDUSTRIAL / STRIP OF LD
Source

Code Definition

Code	36
Definition	VACANT INDUSTRIAL MULTIPLE USE
Source

Code Definition

Code	41
Definition	CONDOMINIUM,URBAN, SUBDIVIDED"
Source

Code Definition

Code	46
Definition	VACANT CONDOMINIUM MULTIPLE USE
Source

Code Definition

Code	47
Definition	VACANT RESIDENTIAL CONDO
Source

Code Definition

Code	81
Definition	VACANT MOBILE HOME URBAN SUBDIVIDED
Source

Code Definition

Code	82
Definition	VACANT MOBILE HOME URBAN NON-SUBDIVID
Source

Code Definition

Code	85
Definition	VACANT MOBILE HOME RURAL NON-SUBDIVID
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	1
Definition	Bare Soil
Source

Code Definition

Code	2
Definition	Scrub
Source

Code Definition

Code	3
Definition	Grass/Trees
Source

Unit	dimensionless
Type	real
Min	0
Max	54.178501

Unit	dimensionless
Type	real
Min	0
Max	214.167007

Unit	nanometer
Type	real
Min	0
Max	216.463

Unit	nanometer
Type	real
Min	0
Max	67.011803

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	Commercial
Definition	Commercial
Source

Code Definition

Code	Industrial
Definition	Industrial
Source

Code Definition

Code	Residential
Definition	Residential
Source

Code Definition

Code	Vacant Undetermined
Definition	Vacant Undetermined
Source

Allowed Values and Definitions

Enumerated Domain

Code Definition

Code	Bare Soil
Definition	Bare Soil
Source

Code Definition

Code	Grass/Trees
Definition	Grass/Trees
Source

Code Definition

Code	Scrub
Definition	Scrub
Source

Unit	hectare
Type	real
Min	0.0055728
Max	253.5684941

Unit	meterSquared
Type	real
Min	55.7280813
Max	2535684.94122

Missing Value Code:

Accuracy Report:

Accuracy Assessment:

Coverage:

Methods:

Data:

https://pasta-d.lternet.edu/package/data/eml/knb-lter-cap/710/1/98df78e0dff6c3f75f78d7aa8f71bb66

Data Package Usage Rights

This data package is released to the "public domain" under Creative Commons CC0 1.0 "No Rights Reserved" (see: https://creativecommons.org/publicdomain/zero/1.0/). The consumer of these data ("Data User" herein) has an ethical obligation to cite it appropriately in any publication that results from its use. The Data User should realize that these data may be actively used by others for ongoing research and that coordination may be necessary to prevent duplicate publication. The Data User is urged to contact the authors of these data if any questions about methodology or results occur. Where appropriate, the Data User is encouraged to consider collaboration or coauthorship with the authors. The Data User should realize that misinterpretation of data may occur if used out of context of the original study. While substantial efforts are made to ensure the accuracy of data and associated documentation, complete accuracy of data sets cannot be guaranteed. All data are made available "as is". The Data User should be aware, however, that data are updated periodically and it is the responsibility of the Data User to check for new versions of the data. The data authors and the repository where these data were obtained shall not be liable for damages resulting from any use or misinterpretation of the data. Thank you.

Keywords

By Thesaurus:
LTER controlled vocabulary	urban, remote sensing, geographic information systems
LTER core areas	land use and land cover change, disturbance, residential landscapes and neighborhoods, governance and institutions
lter core areas	urban design
Creator Defined Keyword Set	vacant land, open land, cadastral data, parcels, urban parcels
CAPLTER Keyword Set List	cap lter, cap, caplter, central arizona phoenix long term ecological research, arizona, az, arid land

Methods and Protocols

These methods, instrumentation and/or protocols apply to all data in this dataset:

Methods and protocols used in the collection of this data package

Description:

For the classification, private property parcels with 'vacant' primary use codes (PUCs) were extracted from the 2010 cadastral data for Maricopa County, Arizona, USA. The parcel data were clipped using a shape file of the Phoenix metropolitan area's urban boundaries within in the county appraisal district. These data were joined with that from 1 m resolution NAIP aerial imagery for 2010. Principle component analysis on the original spectral bands and the red spectral band derived from the original 2010 NAIP image were applied. Mean and standard deviation from both images were calculated for each vacant parcel. Using the analyzed parcel data, training samples were collected from a third true-color 2010 NAIP image through visual observation. This was done to establish common land cover classes based on statistical attributes. Five land cover classes were ultimately used: 1.) Bare Soil, 2.) Scrub, 3.) Grass/Trees, 4.) Developed/Abandoned*, and 5.) Impervious*. As some parcels are located in mountainous or hilly areas, slope and elevation data were incorporated in the analysis to eliminate parcels which may not be suitable for agricultural use. The first three land cover classes comprise what are consider as true open land suitable for urban agriculture. *Developed/Abandoned parcels imply that a structure of some sort is present on the property making it unsuitable for use. Neither classes 4 or 5 are included in this dataset.

People and Organizations

Publishers:

Organization:

Environmental Data Initiative

Email Address:

info@edirepository.org

Web Address:

https://edirepository.org

Id:

https://ror.org/0330j0z60

Creators:

Individual:

Jordan P Smith

Organization:

Arizona State University

Email Address:

jordanpaulsmith@gmail.com

Id:

https://orcid.org/0000-0002-0468-9680

Contacts:

Organization:

Central Arizona–Phoenix LTER

Position:

Information Manager

Address:

Arizona State University,

Global Institute of Sustainability and Innovation,

Tempe, AZ 85287-5402 USA

Email Address:

caplter.data@asu.edu

Web Address:

https://sustainability-innovation.asu.edu/caplter/

Metadata Providers:

Individual:

Jordan P Smith

Organization:

Arizona State University

Email Address:

jordanpaulsmith@gmail.com

Id:

https://orcid.org/0000-0002-0468-9680

Temporal, Geographic and Taxonomic Coverage

Temporal, Geographic and/or Taxonomic information that applies to all data in this dataset:

Time Period

Begin:

2010-03-30

End:

2010-03-30

Geographic Region:

Description:

urban area of greater Phoenix, Arizona, USA

Bounding Coordinates:

Northern:	34.01	Southern:	32.91
Western:	-113.34	Eastern:	-111.59

Taxonomic Range:

Classification:

Rank Name:

Species

Project

Parent Project Information:

Title:

Central Arizona–Phoenix Long-Term Ecological Research Project

Personnel:

Individual:

Daniel Childers

Organization:

Arizona State University

Email Address:

dan.childers@asu.edu

Id:

https://orcid.org/0000-0003-3904-0803

Role:

Principal Investigator

Individual:

Nancy Grimm

Organization:

Arizona State University

Email Address:

nbgrimm@asu.edu

Id:

https://orcid.org/0000-0001-9374-660X

Role:

Co-principal Investigator

Individual:

Sharon J Hall

Organization:

Arizona State University

Email Address:

sharonjhall@asu.edu

Id:

https://orcid.org/0000-0002-8859-6691

Role:

Co-principal Investigator

Individual:

Billie Turner II

Organization:

Arizona State University

Email Address:

Billie.L.Turner@asu.edu

Id:

https://orcid.org/0000-0002-6507-521X

Role:

Co-principal Investigator

Individual:

Abigail York

Organization:

Arizona State University

Email Address:

Abigail.York@asu.edu

Id:

https://orcid.org/0000-0002-2313-9262

Role:

Co-principal Investigator

Abstract:

Phase IV of the Central Arizona-Phoenix LTER (CAP) continues to focus on the question: How do the ecosystem services provided by urban ecological infrastructure (UEI) affect human outcomes and behavior, and how do human actions affect patterns of urban ecosystem structure and function and, ultimately, urban sustainability and resilience? The overarching goal is to foster social-ecological urban research aimed at understanding these complex systems using a holistic, ecology of cities perspective while contributing to an ecology for cities that enhances urban sustainability and resilience. This goal is being met through four broad programmatic objectives: (1) use long-term observations and datasets to articulate and answer new questions requiring a long-term perspective; (2) develop and use predictive models and future-looking scenarios to help answer research questions; (3) employ existing urban ecological theory while articulating new theory; and (4) build transdisciplinary partnerships to foster resilience and enhance sustainability in urban ecosystems while educating urban dwellers of all ages and experiences. CAP IV research is organized around eight interdisciplinary questions and ten long-term datasets and experiments, and researchers are organized into eight Interdisciplinary Research Themes to pursue these long-term research questions.

Funding:

NSF Awards: CAP I: DEB-9714833, CAP II: DEB-0423704, CAP III: DEB-1026865, CAP IV: DEB-1832016

Additional Award Information:

Funder:

National Science Foundation

Funder ID:

https://ror.org/021nxhr62

Number:

1832016

Title:

LTER: CAP IV - Investigating urban ecology and sustainability through the lens of Urban Ecological Infrastructure

URL:

https://nsf.gov/awardsearch/showAward?AWD_ID=1832016&HistoricalAwards=true

Maintenance

Maintenance:

Description:	this dataset is complete and or updates are not anticipated
Frequency:	notPlanned

Other Metadata

Copyright 2024 Environmental Data Initiative. This material is based upon work supported by the National Science Foundation under grants #2223103 and #2223104. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. Please contact us with questions, comments, or for technical assistance regarding this web site or the Environmental Data Initiative. Please read our privacy policy to know what information we collect about you and to understand your privacy rights.

EDI is a collaboration between the University of New Mexico and the University of Wisconsin – Madison, Center for Limnology:

Data Package Metadata View Summary

Lots for greening: Identification of metropolitan vacant land and its potential use for cooling and agriculture in Phoenix, Arizona, USA

Data Entities

Spatial Vector

Spatial Vector

Data Package Usage Rights

Keywords

Methods and Protocols

These methods, instrumentation and/or protocols apply to all data in this dataset:

People and Organizations

Temporal, Geographic and Taxonomic Coverage

Project

Parent Project Information:

Maintenance

Recently Added

Recently Updated

Data Package Metadata View Summary

Lots for greening: Identification of metropolitan vacant land and its potential use for cooling and agriculture in Phoenix, Arizona, USA

+/- Data Entities

Spatial Vector

Spatial Vector

+/- Data Package Usage Rights

+/- Keywords

+/- Methods and Protocols

These methods, instrumentation and/or protocols apply to all data in this dataset:

+/- People and Organizations

+/- Temporal, Geographic and Taxonomic Coverage

+/- Project

Parent Project Information:

+/- Maintenance

Data Entities

Data Package Usage Rights

Keywords

Methods and Protocols

People and Organizations

Temporal, Geographic and Taxonomic Coverage

Project

Maintenance