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	1. Analysis on the current situation of land use and economic development in Yantai city
	LIU Luyu,WANG Qiuxian,WU Xiao
	Earth Science 02 September 2019
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (617K B)

	Abstract:In this paper, based on the remote sensing image of Landsat7 TM/ETM, the ArcGIS10.3 software is used to interpret the land use in Yantai 2015, and the Land Use Remote sensing classification of China\'s coastal zone is classified as the basis, then the land use status of Yaitai 2015 is obtained. The paper analyzes the matching relationship between land use status and economic development by combining the state of economic development, relevant literature and related Yearbook. The following conclusions are drawn: ①The main land utilization type of Yantai 2015 are arable land, woodland, garden and construction sites, while the unused land area is very small. ②The protection of coastal wetlands in Yantai has been better in recent ten years, and the methods of inshore aquaculture and other utilization have increased. ③ The development and policy of Yantai economy is the main driving force of the change of land use mode. ④ The Yantai city belongs to the retarded type of land use benefit, and the development degree of barely coordinating can′t provide a big impetus for economic development.
	TO cite this article:LIU Luyu,WANG Qiuxian,WU Xiao. Analysis on the current situation of land use and economic development in Yantai city[OL].[ 2 September 2019] http://en.paper.edu.cn/en_releasepaper/content/4749542


	2. Analysis on Land Use Dynamic Changes in Qingdao from 2005 to 2015 based on ArcGIS
	Zhuotao Liu,Qiuxian Wang,Xiao Wu
	Earth Science 30 August 2019
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (502K B)

	Abstract:In order to study the land use change situation of Qingdao in recent 10 years, this paper used the land Use classification system of China\'s coastal zone to overlay the land use of 2015 by visual interpretation with 2005 data in Arcgis10.2. The results showed that the residence of Qingdao increased 1612.3km2, the area of urban mining increased 351.2km2, the area of woodland increased 499.7km2, and the area of arable land decreased 1911.9km2, the grassland areas decreased 342.4km2, and the water body decreased 277.4km2. These changes were mainly due to the speed of urbanization, another reason was that the Government attached importance to environmental issues, vigorously carried out afforestation and returned farmland to forest. The research provided scientific basis for local government departments to formulate targeted land use planning and policies, which is of great practical significance for regional comprehensive, coordinated and sustainable development.
	TO cite this article:Zhuotao Liu,Qiuxian Wang,Xiao Wu. Analysis on Land Use Dynamic Changes in Qingdao from 2005 to 2015 based on ArcGIS[OL].[30 August 2019] http://en.paper.edu.cn/en_releasepaper/content/4749450


	3. Insolation-driven monsoon-mediated changes in Earth's surface processes in mid-latitude East Asia since the last deglaciation
	LIU Jianbao,CHEN Qiaomei,XIE Chengling
	Earth Science 05 May 2016
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (4K B)

	Abstract:The stability of Earth's critical zone is intimately linked with erosion, chemical weathering and the vegetation type and density, therefore affecting the global biogeochemical processes and in turn the global climate. However, there is a lack of knowledge on how Earth's critical zone processes have changed over time. Here we rebuild erosion-weathering-vegetation interactions since ~14.7 ka using geochemical records of a radiocarbon-dated sediment core from Gonghai Lake in North China. Our results revealed distinct, millennial, late deglacial-Holocene erosion and weathering patterns and transitions. Chemical Index of Alteration (CIA) molar, a humidity proxy, indicated low humidity during the late deglacial ~11.5-14.7 ka, high humidity during the early-mid Holocene ~11.5-3.2 ka, and intermediate humidity during the late Holocene interval since ~3.2 ka. Comparison of our records with other climate reconstructions further suggested an orbital-phased humidity changes in North China. This study provides evidence for the solar-forcing controlled Earth's surface processes in the mid-latitude China under natural climate conditions.
	TO cite this article:LIU Jianbao,CHEN Qiaomei,XIE Chengling. Insolation-driven monsoon-mediated changes in Earth's surface processes in mid-latitude East Asia since the last deglaciation[OL].[ 5 May 2016] http://en.paper.edu.cn/en_releasepaper/content/4686394


	4. Effect of Forest Gaps on the Photosynthetic Physiology of Castanopsis kawakamii seedlings
	TANG Rong,HE Zhongsheng,LIU Jinfu,SU Songjin,ZHENG Shiqun,HONG Wei
	Earth Science 10 April 2015
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (4K B)

	Abstract:The variations of photosynthetic physiology in plants were the dominant factors that could affected seedlings' dynamic growth. The objective of this study was to explore the effects of weak light on photosynthetic physiology of C.kawakamii seedlings by the measurements of chlorophyll contents, net photosynthetic rate (Pn), and chlorophyll fluorescence in forest gaps and non-gaps. The results showed that: (1) the contents of chlorophyll a (Chl-a), chlorophyll b (Chl-b), and total chlorophyll (total Chl) of C.kawakamii seedlings in forest gaps were lower than those of non-gaps while the value of chlorophyll a/b (Chl-a/b) in forest gaps was higher than that of non-gaps. The increase of Chl-b content improved the absorption of light energy which could conducive to enhance the adaptability of seedlings in non-gaps under the weak light condition, (2) the Pn of C.kawakamii seedlings in forest gaps was higher than those of non-gaps, which showed that the formation of forest gaps could improve seedlings' photosynthetic capacity and promote their growth, and (3) under the weak light condition, the initial fluorescence (Fo) of C. kawakamii seedlings in the low age classes of forest gaps and the high age classes in non-gaps showed an increasing trend. Weak light restrained the seedlings' photoche

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