| Records |
| Author |
Gong, P.; Li, X.; Zhang, W. |
Title  |
40-year (1978-2017) human settlement changes in China reflected by impervious surfaces from satellite remote sensing |
Type |
Journal Article |
| Year |
2019 |
Publication |
Science Bulletin |
Abbreviated Journal |
Science Bulletin |
| Volume |
64 |
Issue |
11 |
Pages |
756-763 |
| Keywords |
Remote Sensing; China; human settlement |
| Abstract |
Impervious surfaces are the most significant feature of human settlements. Timely, accurate, and frequent information on impervious surfaces is critical in both social-economic and natural environment applications. Over the past 40 years, impervious surface areas in China have grown rapidly. However, annual maps of impervious areas in China with high spatial details do not exist during this period. In this paper, we made use of reliable impervious surface mapping algorithms that we published before and the Google Earth Engine (GEE) platform to address this data gap. With available data in GEE, we were able to map impervious surfaces over the entire country circa 1978, and during 1985-2017 at an annual frequency. The 1978 data were at 60 m resolution, while the 1985-2017 data were in 30 m resolution. For the 30 m resolution data, we evaluated the accuracies for 1985, 1990, 1995, 2000, 2005, 2010, and 2015. Overall accuracies reached more than 90%. Our results indicate that the growth of impervious surface in China was not only fast but also considerably exceeding the per capita impervious surface area in developed countries like Japan. The 40-year continuous and consistent impervious surface distribution data in China would generate widespread interests in the research and policy-making community. The impervious surface data can be freely downloaded from http://data.ess.tsinghua.edu.cn. |
| Address |
Ministry of Education Key Laboratory of Earth System Modeling, Department of Earth System Science, Tsinghua University, Beijing 100084, China; penggong(at)tsinghua.edu.cn |
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Thesis |
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| Publisher |
Elsevier |
Place of Publication |
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Editor |
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| Language |
English |
Summary Language |
English |
Original Title |
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| ISSN |
2095-9273 |
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Approved |
no |
| Call Number |
GFZ @ kyba @ |
Serial |
2321 |
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| Author |
Rawson, H.E. |
| Title |
A bird's song in relation to light |
Type |
Journal Article |
| Year |
1932 |
Publication |
Transactions of the Hertfordshire Natural History Society Field Club |
Abbreviated Journal |
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| Volume |
17 |
Issue |
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Pages |
363-365 |
| Keywords |
Animals |
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| Call Number |
GFZ @ kyba @ |
Serial |
2423 |
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| Author |
Henderson, J.V.; Storeygard, A.; Weil, D.N. |
| Title |
A Bright Idea for Measuring Economic Growth |
Type |
Journal Article |
| Year |
2011 |
Publication |
The American Economic Review |
Abbreviated Journal |
Am Econ Rev |
| Volume |
101 |
Issue |
3 |
Pages |
194-199 |
| Keywords |
Remote Sensing |
| Abstract |
The quantity of human-generated light visible from outer space reflects variation in both population density and income per capita. In this paper we explore the usefulness of the change in visible light as a measure of GDP growth. We discuss the data, and then present a statistical framework that uses lights growth to augment existing income growth measures, assuming that measurement errors in the two series are uncorrelated. For some countries with very poor income measurement, we significantly revise estimates of growth. Our technique also produces growth estimates for cities or regions where no other data are available. |
| Address |
Brown University and NBER |
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English |
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| ISSN |
0002-8282 |
ISBN |
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| Notes |
PMID:25076786; PMCID:PMC4112959 |
Approved |
no |
| Call Number |
GFZ @ kyba @ |
Serial |
2767 |
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| Author |
Rossi, F.; Bonamente, E.; Nicolini, A.; Anderini, E.; Cotana, F. |
| Title |
A carbon footprint and energy consumption assessment methodology for UHI-affected lighting systems in built areas |
Type |
Journal Article |
| Year |
2016 |
Publication |
Energy and Buildings |
Abbreviated Journal |
Energy and Buildings |
| Volume |
114 |
Issue |
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Pages |
96-103 |
| Keywords |
Remote Sensing; Energy |
| Abstract |
This paper investigates the effects of urban heat island (UHI) on outdoor lighting systems in terms of GHG emissions: a novel methodology is proposed to assess the carbon footprint (CF) change of lighting services in built areas caused by UHI-induced ΔT with particular focus on the evaluation of the energy consumption. The methodology can be applied also to other activities affected by the UHI, such as HVAC and transport systems. In particular, ΔCF was introduced by a two-fold approach: the quantification of the CF change due to UHI (as difference between CF in an UHI-affected case and CF for an UHI-less case) and the CF change produced by a 1 °C temperature change. A focus on LED lamps was developed: the lifetime of LEDs exponentially decreases with increasing temperature and the luminous flux exponentially decays with operation time. UHI (i.e. the increase in ambient temperature) affects the lifetime and the luminous flux of lamps producing higher energy consumption and higher replacement rates. Results showed that a positive ΔT due to UHI produces a positive ΔCF, which also becomes economically relevant in long-term scenarios. A case study was analyzed by applying the proposed methodology to Rome outdoor public lighting. |
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Edition |
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| ISSN |
0378-7788 |
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Approved |
no |
| Call Number |
GFZ @ kyba @ |
Serial |
2483 |
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| Author |
An, K.; Zhao, H.; Miao, Y.; Xu, Q.; Li, Y.-F.; Ma, Y.-Q.; Shi, Y.-M.; Shen, J.-W.; Meng, J.-J.; Yao, Y.-G.; Zhang, Z.; Chen, J.-T.; Bao, J.; Zhang, M.; Xue, T. |
| Title |
A circadian rhythm-gated subcortical pathway for nighttime-light-induced depressive-like behaviors in mice |
Type |
Journal Article |
| Year |
2020 |
Publication |
Nature Neuroscience |
Abbreviated Journal |
Nat Neurosci |
| Volume |
in press |
Issue |
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Pages |
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| Keywords |
Human Health |
| Abstract |
Besides generating vision, light modulates various physiological functions, including mood. While light therapy applied in the daytime is known to have anti-depressive properties, excessive light exposure at night has been reportedly associated with depressive symptoms. The neural mechanisms underlying this day-night difference in the effects of light are unknown. Using a light-at-night (LAN) paradigm in mice, we showed that LAN induced depressive-like behaviors without disturbing the circadian rhythm. This effect was mediated by a neural pathway from retinal melanopsin-expressing ganglion cells to the dorsal perihabenular nucleus (dpHb) to the nucleus accumbens (NAc). Importantly, the dpHb was gated by the circadian rhythm, being more excitable at night than during the day. This indicates that the ipRGC-->dpHb-->NAc pathway preferentially conducts light signals at night, thereby mediating LAN-induced depressive-like behaviors. These findings may be relevant when considering the mental health effects of the prevalent nighttime illumination in the industrial world. |
| Address |
Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China. xuetian@ustc.edu.cn |
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| Language |
English |
Summary Language |
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Series Issue |
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Edition |
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| ISSN |
1097-6256 |
ISBN |
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| Notes |
PMID:32483349 |
Approved |
no |
| Call Number |
GFZ @ kyba @ |
Serial |
2978 |
| Permanent link to this record |
