Phenology of trees and urbanization: a comparative study between New York City and Ithaca, New York

被引：7

作者：

Dhami, Ishwar ^{[1
]}

Arano, Kathryn G. ^{[1
]}

Warner, Timothy A. ^{[2
]}

Gazal, Rico M. ^{[3
]}

Joshi, Sudiksha ^{[4
]}

机构：

[1] W Virginia Univ, Div Forestry & Nat Resources, Morgantown, WV 26506 USA

[2] W Virginia Univ, Dept Geol & Geog, Morgantown, WV 26506 USA

[3] Glenville State Coll, Dept Land Resources, Glenville, WV 26351 USA

[4] W Virginia Univ, Div Resource Management, Morgantown, WV 26506 USA

来源：

GEOCARTO INTERNATIONAL | 2011年 / 26卷 / 07期

关键词：

budburst; fractional vegetation cover; land surface temperature; urban heat island effect; urbanization; LAND-SURFACE TEMPERATURE; URBAN HEAT ISLANDS; CLIMATE-CHANGE; RESPONSES; IMPACT; ETM+; CLASSIFICATION; PATTERNS; LATITUDE; EARLIER;

D O I：

10.1080/10106049.2011.607517

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The 'global warming' effect has been found to influence vegetation phenological processes. Heat island phenomenon associated with urbanized area presents a unique place to investigate its local warming effects. This study compares the date of budburst (DOBB) of street London plane trees (Platanus x acerifolia) between highly urbanized New York City (NYC) and relatively less urbanized Ithaca, New York in 2007 and 2008. It also linked DOBB with land surface temperature and fractional vegetation cover derived from Landsat satellite images. The DOBB in NYC and Ithaca differed significantly as budburst occurred 3 and 4 days earlier in NYC than in Ithaca in 2007 and 2008, respectively. The intensity of the heat island effect and its effect on tree phenology were greater in NYC. Results show that DOBB can be explained by temperature, and findings could be extrapolated to make inferences on the potential impact of global warming on vegetation communities.

引用

页码：507 / 526

页数：20

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