For decades, Africa has undergone many crisis, affecting economy, climate, food, politics as well as society with irreparable consequences on the environment. The protection of the latter, being one of the cornerstone...For decades, Africa has undergone many crisis, affecting economy, climate, food, politics as well as society with irreparable consequences on the environment. The protection of the latter, being one of the cornerstones of sustainable development, is only possible if it＇s based on a reliable and rigorous diagnosis and inventory. This study suggests a method to characterize natural resources, in particular agricultural ones, by showing their landscape context. In this perspective and in the absence of any pre-existing mapping, as it is often the case in Africa, this work provides a simple and reproducible approach that merely uses Landsat Thematic Mapper （TM） （free） images, with the only constraint of the cross-checking of several images at different times of the plant cycle.展开更多
In China, all types of stars coexist in the country＇s star system： party stars, commercialized stars, and talent-show stars, which influence diverse type audience and have diverse implications. Based on Couldry＇s f...In China, all types of stars coexist in the country＇s star system： party stars, commercialized stars, and talent-show stars, which influence diverse type audience and have diverse implications. Based on Couldry＇s framework （2000） of media power, through in-depth interviews with media professionals, this study compares the creation of party stars, commercial stars, and talent-show stars as represented by Li Yuchun. Data show that there was few audience power involved into the production of party stars and commercialized stars. Rather, there was media power involved into the production of party stars and commercialized stars. Meanwhile, this study argues that there was audience-power influence on Li Yuchun＇s rise to stardom, and it provides some details about the manipulations of media institutions that were involved in the creation of this pop star. However, it is difficult to prove that audience power is the main influence on Li＇s stardom. The implications of her stardom and this production process on China＇s star system and China＇s state power are also discussed in this study.展开更多
High resolution remote sensing data has been applied in many fields such as national security, economic construction and in the daily life of the general public around the world, creating a huge market. Commercial rem...High resolution remote sensing data has been applied in many fields such as national security, economic construction and in the daily life of the general public around the world, creating a huge market. Commercial remote sensing cameras have been developed vigorously throughout the world over the last few decades, resulting in resolutions down to 0.31 m. In 2010, the Chinese government approved the implementation of the China High-resolution Earth Observation System(CHEOS) Major Special Project, giving priority to development of high resolution remote sensing satellites. More than half of CHEOS has been constructed to date and 5 satellites operate in orbit. These cameras have different characteristics. A number of innovative technologies have been adopted, which have led to camera performance increasing in leaps and bounds. The products and the production capability enables the remote sensing technical level to increase making it on a par with Europe and the US.展开更多
文摘For decades, Africa has undergone many crisis, affecting economy, climate, food, politics as well as society with irreparable consequences on the environment. The protection of the latter, being one of the cornerstones of sustainable development, is only possible if it＇s based on a reliable and rigorous diagnosis and inventory. This study suggests a method to characterize natural resources, in particular agricultural ones, by showing their landscape context. In this perspective and in the absence of any pre-existing mapping, as it is often the case in Africa, this work provides a simple and reproducible approach that merely uses Landsat Thematic Mapper （TM） （free） images, with the only constraint of the cross-checking of several images at different times of the plant cycle.
文摘In China, all types of stars coexist in the country＇s star system： party stars, commercialized stars, and talent-show stars, which influence diverse type audience and have diverse implications. Based on Couldry＇s framework （2000） of media power, through in-depth interviews with media professionals, this study compares the creation of party stars, commercial stars, and talent-show stars as represented by Li Yuchun. Data show that there was few audience power involved into the production of party stars and commercialized stars. Rather, there was media power involved into the production of party stars and commercialized stars. Meanwhile, this study argues that there was audience-power influence on Li Yuchun＇s rise to stardom, and it provides some details about the manipulations of media institutions that were involved in the creation of this pop star. However, it is difficult to prove that audience power is the main influence on Li＇s stardom. The implications of her stardom and this production process on China＇s star system and China＇s state power are also discussed in this study.
文摘High resolution remote sensing data has been applied in many fields such as national security, economic construction and in the daily life of the general public around the world, creating a huge market. Commercial remote sensing cameras have been developed vigorously throughout the world over the last few decades, resulting in resolutions down to 0.31 m. In 2010, the Chinese government approved the implementation of the China High-resolution Earth Observation System(CHEOS) Major Special Project, giving priority to development of high resolution remote sensing satellites. More than half of CHEOS has been constructed to date and 5 satellites operate in orbit. These cameras have different characteristics. A number of innovative technologies have been adopted, which have led to camera performance increasing in leaps and bounds. The products and the production capability enables the remote sensing technical level to increase making it on a par with Europe and the US.
