Spatial analysis of climate change in Inner Mongolia during 1961–2012, China

Hu, Qi; Pan, Feifei; Pan, Xuebiao; Zhang, Dan; Li, Qiuyue; Pan, Zhihua; Wei, Yang

doi:10.1016/j.apgeog.2014.10.009

Cited by 72 publications

(50 citation statements)

References 22 publications

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“…In general, K P is not statistically significant at the majority of stations except Ergun station (Table ). These findings on the historical climatic changes at the eight study sites are consistent with the reports of Hu et al (), who reported an overall increased temperature and insignificant precipitation variations over the past half century across 46 meteorological stations in Inner Mongolia. The average climate warming rate across space in our study (0.34 °C per decade) is also comparable with Hu et al's () report (0.37 °C per decade).…”

Section: Resultssupporting

confidence: 92%

“…These findings on the historical climatic changes at the eight study sites are consistent with the reports of Hu et al (), who reported an overall increased temperature and insignificant precipitation variations over the past half century across 46 meteorological stations in Inner Mongolia. The average climate warming rate across space in our study (0.34 °C per decade) is also comparable with Hu et al's () report (0.37 °C per decade). Moreover, the linear regression analysis on both MAT and MAP can be supported by the Sen's slope estimation (Table S9), indicating that effects of possible outliers in the observations are limited and the insignificant trends among most sites were not induced by the noises from the interannual variability.…”

Section: Resultssupporting

confidence: 92%

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Climate Warming Does Not Always Extend the Plant Growing Season in Inner Mongolian Grasslands: Evidence From a 30‐Year In Situ Observations at Eight Experimental Sites

Wang

Huang

Wei³

et al. 2019

JGR Biogeosciences

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Over the past three decades, a generally increased air temperature occurred at most places in Inner Mongolia. Such a climate warming, which outpaced the global average warming rate, has been reported to significantly influence the vegetation phenology across the Inner Mongolia grasslands. However, there is less evidence from in situ observations to demonstrate the effect of climate warming on grass phenology. In this study, we analyzed the trends in both climatic and grassland phenological variations using the data from a 30‐year in situ observations at eight experimental sites in Inner Mongolia. We found that the most significant warming occurred during the growing season, while the temperature in nongrowing season did not show significant trends. Under this warming climate, two thirds of the observed phenologies (start, end, and length of the growing season) for different plant species across the eight sites did not show significant changes. Plant phenology exhibited divergent shifts in magnitudes and directions, depending on not only climate variation but also plant species (e.g., L. chinensis).

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Section: Resultssupporting

confidence: 92%

Section: Resultssupporting

confidence: 92%

Climate Warming Does Not Always Extend the Plant Growing Season in Inner Mongolian Grasslands: Evidence From a 30‐Year In Situ Observations at Eight Experimental Sites

Wang

Huang

Wei³

et al. 2019

JGR Biogeosciences

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“…However, global change studies indicated that wet regions will become wetter and dry regions will become drier (Hu et al , ), which seems contrary to observations in arid areas of NW. A greater understanding of the causes of changes can be gained by considering related changes in other climatic variables (Tabari and Talaee, ).…”

Section: Introductionmentioning

confidence: 87%

Spatial and temporal trends in climatic variables in arid areas of northwest China

Geng

Wu²,

Zhao³

2016

Intl Journal of Climatology

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The trends of major climatic variables at annual and seasonal scales over the past 51 years (1960–2010) in arid areas of northwest (NW) China are investigated using the Mann–Kendall test. From the results it is clear that the majority of the trends (more than 94%) showed significant increasing tendency in three annual temperature indices, including the mean temperature (Tmean), the mean minimum temperature (Tmin) and mean maximum temperature (Tmax). For Tmax, however, the significant increase was mainly the result of more significant increases in autumn. The annual and seasonal precipitation (P) series showed positive as well as negative trends. Stations with negative trends were mainly located in the Loess plateau for all of the investigated spring, autumn and annual time series. The precipitation trends in the winter exhibited consistently positive values, but most of these trends were not significant. The annual and seasonal wind speed (U) decreased significantly at the majority of the stations. More stations showed significant decreasing trends in spring than those in other seasons. The variations in the annual and seasonal relative humidity (Rh) series were relatively stable over the region. Most time series showed non‐significant changes, although both positive and negative trends were detected. The results confirmed a particularly strong recent climate change in arid areas of NW China, especially in terms of temperature and wind speed.

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“…Hu et al [40] revealed Inner Mongolia also experienced warming climate, and this could significantly affect potato-sowing date because of the increased thermal time and prolonged frost-free days. Here, we explored the changes of the flexible sowing dates in the study area over the period 1960 to 2012 based on the long-term climate data, as shown in Figure 8.…”

Section: Climate Changementioning

confidence: 99%

Adjusting Sowing Dates Improved Potato Adaptation to Climate Change in Semiarid Region, China

Yang

Pan

et al. 2017

Sustainability

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Abstract:Yields of rainfed potato (Solanum tuberosum L.) in China's semiarid region are restricted by limited precipitation. Climate change could cause significant fluctuation in the rain-fed agricultural production due to the spatiotemporal changes in temperature and precipitation. As adjusting sowing dates proved to be an important management technique for improving grain yields, we examined how potato production can be improved by altering planting date in China's semiarid region, thus improving potato adaptation to climate change. Field trials with five target sowing dates (from late April to early June) were carried out in Inner Mongolia, China during four growing seasons (2010)(2011)(2012)(2013), and the effects of sowing dates on potato development, yield and water use efficiency (WUE) were estimated. Results showed that although delayed sowing shortened the duration of potato growth period, non-significant thermal time differences after flowering stage was found among the treatments. However, greater precipitation was shown in three intermediate treatments.Potato yield was significantly affected by sowing dates, and intermediate sowing dates showed greater yield compared to the earlier or later sowing dates. Delayed sowing dates significantly improved WUE in a drier year. As for a normal year, earlier sowing dates promoted WUE because of less water consumption, but these increases came at the cost of reducing yields. Under the current climate conditions in the study area, the flexible sowing time for potato was determined as from early May to early June, and optimum sowing time was between 10 May and 27 May. In conclusion, adjusting sowing date affected duration, thermal time, and precipitation over potato growth period, and the optimal sowing date exhibited higher yield by obtaining greater precipitation, which could improve potato adaption to climate change.

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Spatial analysis of climate change in Inner Mongolia during 1961–2012, China

Cited by 72 publications

References 22 publications

Climate Warming Does Not Always Extend the Plant Growing Season in Inner Mongolian Grasslands: Evidence From a 30‐Year In Situ Observations at Eight Experimental Sites

Climate Warming Does Not Always Extend the Plant Growing Season in Inner Mongolian Grasslands: Evidence From a 30‐Year In Situ Observations at Eight Experimental Sites

Spatial and temporal trends in climatic variables in arid areas of northwest China

Adjusting Sowing Dates Improved Potato Adaptation to Climate Change in Semiarid Region, China

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