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HY-1卫星CZI影像在黄海绿潮监测的应用
期刊论文
遥感学报, 2023, 卷号: 27, 期号: 1, 页码: 146-156
作者:
王鑫华
;
刘海龙
;
邢前国
;
刘建强
;
丁静
;
金松
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浏览/下载:206/0
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提交时间:2023/08/16
green tide
Ulva prolifera
HY-1 CZI
MODIS
coverage area
omission rate
the Yellow Sea
绿潮
浒苔
HY-1C CZI
MODIS
漏检率
覆盖面积
黄海
入侵植物互花米草的资源化利用研究进展
期刊论文
中国生态农业学报(中英文), 2019, 卷号: 27, 期号: 12, 页码: 1870-1879
作者:
谢宝华, 路峰, 韩广轩
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浏览/下载:444/0
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提交时间:2020/01/09
入侵植物
互花米草
资源化利用
秸秆资源
药用价值
耐盐基因
Invasive plant
Spartina alterniflora
Resource utilization
Straw resource
Medicinal value
Salt tolerant gene
In China, Spartina alterniflora, an invasive alien plant species, covers an area of approximately 54 600 hectares. The total dry matter of the aboveground part of S. alterniflora is 7.5*10~5~1.15*10~6 tons per year. The control and utilization of S. alterniflora have received increasing attention. A combined utilization and control approach could produce simultaneous economic and ecological benefits. Studies of the utilization of S. alterniflora in China tended to focus on the direct utilization of straw, including its use as fuel, feed, and raw material. These methods of utilization were generally low-value. Possible high-value utilization includes the medicinal value of S. alterniflora and its salt-tolerant genes. In all the studies, the largest proportion (43%) of straw was utilized as fuel, whereas the smallest proportion (approximately 8%) was utilized for other purposes, such as fertilizer and for its salt-tolerant genes. Previous studies have focused on utilization technologies, but they have not looked at S. alterniflora collection technology and market promotion. In the future, attention should be paid to every link of the industry chain of S. alterniflora utilization, and cooperation between research institutions and enterprises is essential for the synchronous development of industry, education, and research.
1982-2014年中国沿海地区归一化植被指数(NDVI)的变化及其对极端气候的响应
期刊论文
地理研究, 2019, 页码: 15
作者:
王晓利
;
侯西勇
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提交时间:2020/07/08
NDVI
沿海地区
NDVI
时空变化
极端气温
极端降水
相关性
spatial- temporal dynamic
extreme temperature
extreme precipitation
correlation
coastal area
黄海桑沟湾水体及沉积物中微塑料污染特征研究
期刊论文
海洋环境科学, 2019, 卷号: 38, 期号: 2, 页码: 198-204
作者:
熊宽旭
;
赵新月
;
周倩
;
付传城
;
涂晨
;
李连祯
;
骆永明
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浏览/下载:355/0
  |  
提交时间:2020/06/17
桑沟湾
微塑料
潮滩
丰度
空间分布
Sanggou bay
microplastics
tidal flats
abundance
spatial distribution
In recent years,research on microplastics pollution in the marine environment has been increasing,but studies on microplastics in water bodies and sediments of the bay under the influence of high-intensity human activities are still rarely reported. In this study,the pollution characteristics of microplastics in the wayer and sediments of Sanggou bay were investigated in December 2017,after the harvest of large-scale aquaculture,with the aim to study the effects of aquaculture activities and hydrodynamics on pollution characteristics and spatial distribution of microplastics in the bay. The results showed that the types of microplastics in the water and sediments of Sanggou bay were mainly fibers,fragments,films,foams and particles. The microplastic abundances in the water and sediments were 1.8 ~ 31.2 N/L,31.2 ~ 1246.8 N/kg,respectively. The average particle sizes of microplastics in water and sediments were 0.51 0.20 mm and 1.54 1.02 mm,respectively. The results of spatial distribution of microplastics in Sanggou bay showed that the high abundance area mainly appears in the inshore waters,and the abundance of microplastics tends to decrease from the inner areas of estuary to the outshore areas. The heterogeneity of microplastic abundance and spatial distribution in Sanggou bay is mainly affected by human activities such as aquaculture,living and shipping,as well as hydrodynamics. In the future,fine sampling and analysis are needed to fully understand the temporal and spatial distribution of microplastics pollution in the bay areas.
田间限氧喷雾制备生物炭技术与炭质表征
期刊论文
西南大学学报. 自然科学版, 2019, 卷号: 41, 期号: 6, 页码: 15-20
作者:
校亮
;
韦婧
;
袁国栋
;
毕冬雪
;
王洁
;
冯丽蓉
;
沈冠华
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Adobe PDF(1062Kb)
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浏览/下载:543/253
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提交时间:2020/07/08
田间限氧炭化
喷雾技术
生物炭制备
表面官能团
比表面积
Oxygen-limitIng Carbonization In Field
Mist-spraying Technique
Biochar Production
Surface Functional Group
Specific Surface Area
全球海岸带多源土地利用/覆盖遥感分类产品一致性分析
期刊论文
地球信息科学学报, 2019, 卷号: 21, 期号: 7, 页码: 1061-1073
作者:
侯婉
;
侯西勇
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浏览/下载:1189/205
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提交时间:2020/07/08
土地利用/覆盖
面积一致性
空间一致性
对比
海岸带
全球
LAnd Use And LAnd Cover
Area Consistency
Spatial Consistency
Contrast
Coastal Zones
Global
中国沿海省区极端气温栅格数据集
期刊论文
全球变化数据学报, 2019, 卷号: 3, 期号: 1, 页码: 54-58
作者:
王晓利
;
侯西勇
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Adobe PDF(1457Kb)
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浏览/下载:901/366
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提交时间:2020/07/08
中国沿海
极端气温指数
多年均值
年际倾向率
1961-2014年
Coastal Area Of China
Extreme Temperature
Multi-year Average
Inter-annual Magnitude
1961-2014
Acta Ecologica Sinica
基于无人机的海滨景区绿潮监测
期刊论文
海洋与湖沼, 2018, 卷号: 49, 期号: 05, 页码: 1061-1067
作者:
徐福祥
;
高志强
;
尚伟涛
;
宁吉才
;
姜晓鹏
;
宋德彬
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  |  
Adobe PDF(825Kb)
  |  
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  |  
浏览/下载:581/257
  |  
提交时间:2020/07/08
绿潮
海滨景区
无人机
颜色指数
green tide monitoring
coastal scenic area
drone
color index
烟台夹河口外柱状沉积物还原性无机硫、活性铁的变化特征及其相互关系
期刊论文
海洋科学, 2018, 卷号: 42, 期号: 8, 页码: 90-97
作者:
姜明
;
赵国强
;
李兆冉
;
盛彦清
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提交时间:2020/07/08
还原性无机硫
活性铁
深层柱状沉积物
硫化度
矿化度
Reduced inorganic sulfur
Reactive iron
Deep core sediments
Degree of pyritization
Degree of sulfidity
The distribution characteristics and coupling mechanism of reduced inorganic sulfur (RIS)and reactive iron in marine core sediments are closely related to the evolution of environment quality.In this study,an improved cold diffusion method and hydrochloric acid extraction method were applied to the acid-volatile sulfur (AVS),pyrite sulfur (CRS),elemental sulfur (ES),and reactive iron [Fe (Ⅱ)and Fe (III)] analyses.The distribution characteristics and coupling mechanism of S and Fe were investigated based on a core sediment 4 meters deep collected in the northern sea area of the mouth of Jiahe River,Yantai.The results showed that the RIS in sediments was dominated by CRS,followed by AVS and ES.The content of AVS presented a narrow range with depth,whereas the CRS and ES were higher at the top and bottom layers than the middle layer
reactive iron was dominated by Fe (II),which increased with depth,while Fe (Ⅲ)gradually decreased with depth.Most of the Fe (III)was reduced to the disssolved Fe(II),which was combined with the soluble H_2S of the sulfate-reducing bacteria to produce CRS and ES in the deep layer,resulting in their accumulation at the bottom of core sediments.Furthermore,this study showed that reactive iron was not a limiting factor for the accumulation of RIS with lower degree of pyritization and degree of sulfidity.
1961-2014年中国沿海极端气温事件变化及区域差异分析
期刊论文
生态学报, 2017, 卷号: 37, 期号: 21, 页码: 7098-7113
作者:
王晓利
;
侯西勇
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Adobe PDF(5806Kb)
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浏览/下载:487/249
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提交时间:2020/07/08
extreme temperature
spatial-temporal variation
regional difference
coastal area of China
极端气温
时空变化
区域差异
中国沿海