Here,we report the results of high-resolution nitrate measurements using an optical nitrate profiler(in situ ultraviolet spectrophotometer,ISUS)along transect across a high-turbidity shelf(East China Sea)and a low-tur...Here,we report the results of high-resolution nitrate measurements using an optical nitrate profiler(in situ ultraviolet spectrophotometer,ISUS)along transect across a high-turbidity shelf(East China Sea)and a low-turbidity shelf(Chukchi Sea).The ISUS-measured nitrate concentrations closely reproduced the results measured by conventional bottle methods in low-turbidity waters.However,for high-turbidity waters of the East China Sea(salinity<30),a correction factor of 1.19 was required to match the standard bottle measurements.The high-resolution ISUS data revealed subtle spatial variability(e.g.,a subsurface nitrate minimum)that may have been missed if based solely on bottle results.Four main structures of the nitracline on the East China Sea are apparent from the ISUS nitrate profile.High-resolution nitrate data are important for studying nitrate budgets and nutrient dynamics on continental shelves.展开更多
A LTHOUGH McDonald’s, NBA games, and Hollywood movies have now merged into the lives of Chinese people, notmany of them really understand the United States. The same goes for us reporters and editors who work on the ...A LTHOUGH McDonald’s, NBA games, and Hollywood movies have now merged into the lives of Chinese people, notmany of them really understand the United States. The same goes for us reporters and editors who work on the English periodicals published by the CIPG (China International Publishing Group). We seldom have personal contact展开更多
基金The National Key Research and Development Program of China under contract No.2019YFE0120900the Natural Science Foundation of Zhejiang Province under contract No.Y19D060024+1 种基金the National Natural Science Foundation of China under contract Nos U1709202 and 41806228the Project of Long-term Observation and Research Plan in the Changjiang Estuary and Adjacent East China Sea(LORCE).
文摘Here,we report the results of high-resolution nitrate measurements using an optical nitrate profiler(in situ ultraviolet spectrophotometer,ISUS)along transect across a high-turbidity shelf(East China Sea)and a low-turbidity shelf(Chukchi Sea).The ISUS-measured nitrate concentrations closely reproduced the results measured by conventional bottle methods in low-turbidity waters.However,for high-turbidity waters of the East China Sea(salinity<30),a correction factor of 1.19 was required to match the standard bottle measurements.The high-resolution ISUS data revealed subtle spatial variability(e.g.,a subsurface nitrate minimum)that may have been missed if based solely on bottle results.Four main structures of the nitracline on the East China Sea are apparent from the ISUS nitrate profile.High-resolution nitrate data are important for studying nitrate budgets and nutrient dynamics on continental shelves.
文摘A LTHOUGH McDonald’s, NBA games, and Hollywood movies have now merged into the lives of Chinese people, notmany of them really understand the United States. The same goes for us reporters and editors who work on the English periodicals published by the CIPG (China International Publishing Group). We seldom have personal contact
