Temperate glaciers in the southeastern Tibetan Plateau have experienced significant mass loss and retreat in recent decades,yet detailed on-site observations remain limited.Here we present the measured records of surf...Temperate glaciers in the southeastern Tibetan Plateau have experienced significant mass loss and retreat in recent decades,yet detailed on-site observations remain limited.Here we present the measured records of surface mass balance,ice velocity and surface ice temperature of Baishui River Glacier No.1 in Yulong Snow Mountain from 2018 to 2022.Our observations reveal an annual mean mass balance of-1.29±0.16 m w.e.,demonstrating a significant seasonal imbalance between reduced accumulation(multi-year average of 0.51±0.07 m w.e.)and enhanced ablation(multi-year average of 1.80±0.26 m w.e.),which provides crucial evidence for explaining the long-term mass loss.The average annual ice velocity,predominantly controlled by monsoon season dynamics which contribute 69%–74%of the total movement,was measured at 26.91±2.76 m yr^(-1)and exhibited a decreasing trend of 1.73 m yr^(-1).The ice temperature fluctuated between-13.41℃to-0.04℃,with an average of-6.04℃.The ice temperature and air temperature synchronized well in the nonmonsoon period,while the temperature rise was not synchronized and slightly delayed in the monsoon period.展开更多
Alpine glaciers usually feature with best hydrothermal condition in mountain climate, and present beautiful glacier scenery, various glacier landforms, rich biodiversity, and easier accessibility, compared with contin...Alpine glaciers usually feature with best hydrothermal condition in mountain climate, and present beautiful glacier scenery, various glacier landforms, rich biodiversity, and easier accessibility, compared with continental glaciers or ice sheets. Nevertheless, Alpine glaciers are more sensitive to climate warming, and climate warming has seriously affected Alpine glaciers and surrounding environment. The quality and attractiveness of Alpine glaciers to tourism has been and will continue to be diminished with tourists＇ visitation and local economic development. At present, it has become a primary problem that Alpine glacier tourism adapts to climate warming. Based on this reason, the purpose of this article is to take Balshui （白水） Glacier No. 1 as an example to outline the possible impacts of climate warming on Alpine glacier tourism and put forward some adaptive measures and strategies aligned with climate warming. Specific measures are as follows： （1） optimize the space layout of glacier tourism area; （2） improve glacier tourism and environmental protection planning; （3） adopt multidimensional protective measures; （4） strengthen scientific research of glacier and environment protection; （5） develop glacier tourism products by multi-directions; （6） integrate regional tourism resources; （7） reinforce public environmental education.展开更多
Snowpacks samples were colleted from two glaciers： Baishui No.1 glacier and Hailuogou No.1 glacier in June, 2006. The method of sea-salt ions tracer, correlation analysis and trend analysis were used in this research...Snowpacks samples were colleted from two glaciers： Baishui No.1 glacier and Hailuogou No.1 glacier in June, 2006. The method of sea-salt ions tracer, correlation analysis and trend analysis were used in this research in order to confirm the source of main ions, it is indicated that Na^＋ is mainly from marine moisture and other ions mainly originate from land dust. The non-marine source percent of Cl^-, NO3^- , SO4^2-, K^＋, Ca^2＋ and Mg^2＋ is 52%, 99%, 100%, 98%, 99.9% and 83%, respectively, in Hailuogou No.1 glacier, while the corresponding value in Baishui No.1 glacier is 68%, 99%, 100%, 98%, 99% and 59%. The non-marine source of ions is from dust of Central Asia arid regions carried by westerly circulation and the plateau borne-areas with Qinghai-Tibet Plateau winter monsoon in two glacial areas. However, the import of local dust in glacial area has made a great contribution to ions concentration in Baishui No.1 glacier, which accounts for the reason why the ions concentration in Baishui No.1 glacier is much higher than that of Hailuogou No.1 glacier. It is obvious that the source of each ion is different between Hailuogou No.1 glacier and Baishui No.1 glacier. There are three reasons which can explain it： firstly, the difference in the internal environment of glacial area, such as lithology, mountain-valley wind system, topographical relief and so on; secondly, the influence exerted by ions elution in snowpacks section, and ions elution in Hailuogou No.1 glacier is very strong; and thirdly, the difference caused due to varying ions transporting styles, deposition modes, chemical characteristics and post-ions-deposition process.展开更多
The accumulation and ablation of a glacier directly reflect its mass income and wastage, and ice temperature indicates glacier＇s climatic and dynamic conditions. Glaciological studies at Baishui Glacier No.1 in Mt. Y...The accumulation and ablation of a glacier directly reflect its mass income and wastage, and ice temperature indicates glacier＇s climatic and dynamic conditions. Glaciological studies at Baishui Glacier No.1 in Mt. Yulong are important for estimating recent changes of the cryosphere in Hengduan Mountains. Increased glacier ablation and higher ice temperatures can cause the incidents of icefall. Therefore, it is important to conduct the study of glacier mass balance and ice temperature, but there are few studies in relation to glacier＇s mass balance and active-layer temperature in China＇s monsoonal temperate glacier region. Based on the field observations of mass balance and glacier temperature at Baishui Glacier No.1, its accumulation, ablation, net balance and near-surface ice temperature structure were analyzed and studied in this paper. Results showed that the accumulation period was ranged from October to the following mid-May, and the ablation period occurred from mid-May to October, suggesting that the ablation period of temperate glacier began about 15 days earlier than that of continental glaciers, while the accumulation period began about 15 days later. The glacier ablation rate was 6.47 cm d 1 at an elevation of 4600 m between June 23 and August 30, and it was 7.4 cm d 1 at 4800 m between June 26 and July 11 in 1982, moreover, they respectively increased to 9.2 cm d 1 and 10.8 cm d 1 in the corresponding period and altitude in 2009, indicating that glacier ablation has greatly intensified in the past years. The temperature of the main glacier body was close to melting point in summer, and it dropped from the glacier surface and reached a minimum value at a depth of 4-6 m in the ablation zone. The temperature then rose to around melting point with the depth increment. In winter, the ice temperature rose gradually with the increasing depth, and close to melting point at the depth of 10 m. Compared with the data from 1982, the glacier temperature has risen in the ablation zone in recent decades.展开更多
Based on observed mass balance and meteorological data since September 2008 and ablation data by the expedition team of Tibetan plateau from June to August 1982 at Baishui （白水） Glacier No. 1 region, we analyzed th...Based on observed mass balance and meteorological data since September 2008 and ablation data by the expedition team of Tibetan plateau from June to August 1982 at Baishui （白水） Glacier No. 1 region, we analyzed the spatial and temporal changes of degree-day factor （DDF） of the Baishui Glacier No. 1 following the changes of space, time, and temperature, which lays a theoretical foundation to establish DDF model. The results indicate that the melting DDF of ice showed a significant downward trend with rising temperatures, and larger value of DDF only appeared at low temperature conditions. A larger value of DDF appeared in the high altitude areas, and as altitude rises, the value of DDF increased. The snow DDF is lower than the DDF of ice, and the DDF is higher in temperate glaciers than those in other glaciers. The melting DDF of snow has a more obvious seasonal variation than the melting DDF of ice.展开更多
Components of urban road landscapes and regional cultures in the urban road landscape designs were analyzed. In view of the crisis that cities are confronting with, that is, lack of regional cultural features, landsca...Components of urban road landscapes and regional cultures in the urban road landscape designs were analyzed. In view of the crisis that cities are confronting with, that is, lack of regional cultural features, landscape design for East Dukang Road in Baishui County, Shaanxi Province was taken for example, cultural background of the county, general situation and design orientation of the project, guiding concepts, overall designs and nodal layouts were elaborated, so as to explore the reasonable utilization of regional cultures in urban road landscape designs. Moreover, regional cultures were taken as an important foundation for landscape design, and its useful "genes" are available for creating road landscapes with features of regional cultures so as to demonstrate the individuality and characteristics of the city in a better way.展开更多
基金supported by the Postdoctoral Fellowship Program of CPSF(Grant No.GZC20232951)the Science and Technology program of Gansu Province(Grant No.22ZD6FA005)Program of the State Key Laboratory of Cryospheric Science and Frozen Soil Engineering(Grant No.CSFSE-TZ-2403,2410)。
文摘Temperate glaciers in the southeastern Tibetan Plateau have experienced significant mass loss and retreat in recent decades,yet detailed on-site observations remain limited.Here we present the measured records of surface mass balance,ice velocity and surface ice temperature of Baishui River Glacier No.1 in Yulong Snow Mountain from 2018 to 2022.Our observations reveal an annual mean mass balance of-1.29±0.16 m w.e.,demonstrating a significant seasonal imbalance between reduced accumulation(multi-year average of 0.51±0.07 m w.e.)and enhanced ablation(multi-year average of 1.80±0.26 m w.e.),which provides crucial evidence for explaining the long-term mass loss.The average annual ice velocity,predominantly controlled by monsoon season dynamics which contribute 69%–74%of the total movement,was measured at 26.91±2.76 m yr^(-1)and exhibited a decreasing trend of 1.73 m yr^(-1).The ice temperature fluctuated between-13.41℃to-0.04℃,with an average of-6.04℃.The ice temperature and air temperature synchronized well in the nonmonsoon period,while the temperature rise was not synchronized and slightly delayed in the monsoon period.
基金supported by the National Natural Science Foundation of China (Nos.40971019,J0630966,40801028,90511007)the National Basic Research Program of China (No.2007CB411501)+4 种基金the Special Grant for Postgraduate Research,Innovation and Practicethe West Light Foundation of Chinese Academy of Sciences (No.O828A11001)the Fund from the State Key Laboratory of Cryospheric Sciencesthe Fund from Lijiang City Governmentthe Major Directionality Program of the Chinese Academy of Sciences (No.KZCX-YW-317)
文摘Alpine glaciers usually feature with best hydrothermal condition in mountain climate, and present beautiful glacier scenery, various glacier landforms, rich biodiversity, and easier accessibility, compared with continental glaciers or ice sheets. Nevertheless, Alpine glaciers are more sensitive to climate warming, and climate warming has seriously affected Alpine glaciers and surrounding environment. The quality and attractiveness of Alpine glaciers to tourism has been and will continue to be diminished with tourists＇ visitation and local economic development. At present, it has become a primary problem that Alpine glacier tourism adapts to climate warming. Based on this reason, the purpose of this article is to take Balshui （白水） Glacier No. 1 as an example to outline the possible impacts of climate warming on Alpine glacier tourism and put forward some adaptive measures and strategies aligned with climate warming. Specific measures are as follows： （1） optimize the space layout of glacier tourism area; （2） improve glacier tourism and environmental protection planning; （3） adopt multidimensional protective measures; （4） strengthen scientific research of glacier and environment protection; （5） develop glacier tourism products by multi-directions; （6） integrate regional tourism resources; （7） reinforce public environmental education.
基金National Key Natural Science Foundation of China, No.90511007 National Natural Science Foundation of China, No.40501014+2 种基金 The Project for Important Directionality Foundation, CAS, No.KZCXZ-YW-317 The Project for Outstanding Young Scientists of Natural Science Foundation of China, No.40121101 The Knowledge Innovation Program, CAS, No.CXTD-Z2005-2
文摘Snowpacks samples were colleted from two glaciers： Baishui No.1 glacier and Hailuogou No.1 glacier in June, 2006. The method of sea-salt ions tracer, correlation analysis and trend analysis were used in this research in order to confirm the source of main ions, it is indicated that Na^＋ is mainly from marine moisture and other ions mainly originate from land dust. The non-marine source percent of Cl^-, NO3^- , SO4^2-, K^＋, Ca^2＋ and Mg^2＋ is 52%, 99%, 100%, 98%, 99.9% and 83%, respectively, in Hailuogou No.1 glacier, while the corresponding value in Baishui No.1 glacier is 68%, 99%, 100%, 98%, 99% and 59%. The non-marine source of ions is from dust of Central Asia arid regions carried by westerly circulation and the plateau borne-areas with Qinghai-Tibet Plateau winter monsoon in two glacial areas. However, the import of local dust in glacial area has made a great contribution to ions concentration in Baishui No.1 glacier, which accounts for the reason why the ions concentration in Baishui No.1 glacier is much higher than that of Hailuogou No.1 glacier. It is obvious that the source of each ion is different between Hailuogou No.1 glacier and Baishui No.1 glacier. There are three reasons which can explain it： firstly, the difference in the internal environment of glacial area, such as lithology, mountain-valley wind system, topographical relief and so on; secondly, the influence exerted by ions elution in snowpacks section, and ions elution in Hailuogou No.1 glacier is very strong; and thirdly, the difference caused due to varying ions transporting styles, deposition modes, chemical characteristics and post-ions-deposition process.
基金National Natural Science Foundation of China,No.40971019No.41273010 The Foundation from the State Key Laboratory of Cryosphere Science,No.SKLCS-ZZ-2012-01-02
文摘The accumulation and ablation of a glacier directly reflect its mass income and wastage, and ice temperature indicates glacier＇s climatic and dynamic conditions. Glaciological studies at Baishui Glacier No.1 in Mt. Yulong are important for estimating recent changes of the cryosphere in Hengduan Mountains. Increased glacier ablation and higher ice temperatures can cause the incidents of icefall. Therefore, it is important to conduct the study of glacier mass balance and ice temperature, but there are few studies in relation to glacier＇s mass balance and active-layer temperature in China＇s monsoonal temperate glacier region. Based on the field observations of mass balance and glacier temperature at Baishui Glacier No.1, its accumulation, ablation, net balance and near-surface ice temperature structure were analyzed and studied in this paper. Results showed that the accumulation period was ranged from October to the following mid-May, and the ablation period occurred from mid-May to October, suggesting that the ablation period of temperate glacier began about 15 days earlier than that of continental glaciers, while the accumulation period began about 15 days later. The glacier ablation rate was 6.47 cm d 1 at an elevation of 4600 m between June 23 and August 30, and it was 7.4 cm d 1 at 4800 m between June 26 and July 11 in 1982, moreover, they respectively increased to 9.2 cm d 1 and 10.8 cm d 1 in the corresponding period and altitude in 2009, indicating that glacier ablation has greatly intensified in the past years. The temperature of the main glacier body was close to melting point in summer, and it dropped from the glacier surface and reached a minimum value at a depth of 4-6 m in the ablation zone. The temperature then rose to around melting point with the depth increment. In winter, the ice temperature rose gradually with the increasing depth, and close to melting point at the depth of 10 m. Compared with the data from 1982, the glacier temperature has risen in the ablation zone in recent decades.
基金supported by the National Basic Research Program of China (No.2007CB411201)the National Natural Science Foundation of China (Nos.40971019,J0630966)+3 种基金the Special Grant for Postgraduate Research,Innovation and Practicethe West Light Foundation of Chinese Academy of Sciences (No.O828A11001)the Fund from the State Key Laboratory of Cryospheric Sciencesthe Fund from Lijiang City Government
文摘Based on observed mass balance and meteorological data since September 2008 and ablation data by the expedition team of Tibetan plateau from June to August 1982 at Baishui （白水） Glacier No. 1 region, we analyzed the spatial and temporal changes of degree-day factor （DDF） of the Baishui Glacier No. 1 following the changes of space, time, and temperature, which lays a theoretical foundation to establish DDF model. The results indicate that the melting DDF of ice showed a significant downward trend with rising temperatures, and larger value of DDF only appeared at low temperature conditions. A larger value of DDF appeared in the high altitude areas, and as altitude rises, the value of DDF increased. The snow DDF is lower than the DDF of ice, and the DDF is higher in temperate glaciers than those in other glaciers. The melting DDF of snow has a more obvious seasonal variation than the melting DDF of ice.
文摘Components of urban road landscapes and regional cultures in the urban road landscape designs were analyzed. In view of the crisis that cities are confronting with, that is, lack of regional cultural features, landscape design for East Dukang Road in Baishui County, Shaanxi Province was taken for example, cultural background of the county, general situation and design orientation of the project, guiding concepts, overall designs and nodal layouts were elaborated, so as to explore the reasonable utilization of regional cultures in urban road landscape designs. Moreover, regional cultures were taken as an important foundation for landscape design, and its useful "genes" are available for creating road landscapes with features of regional cultures so as to demonstrate the individuality and characteristics of the city in a better way.
