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| 1 | A Short Note on Linkage of Climatic Records between Terai and Mid-mountain of Central Nepal显示文摘The steep North to South (N-S) gradient and complex topography markssignificant variations in the spatial and temporal patterns of climatic variationsurrounding within a few distances in the Nepal Himalayas. Hence,to validate climatic linkages between the stations under two distinct topographicconditions, the study examines the observational climatic data from106m a.s.l. and 1801m a.s.l., as a representative station from a plain andhilly area. Different statistical tools including Pearson correlation analysisand a best-fit regression model were applied to analyze climate data. Theanalysis of 13129 daily average temperature records and 13147 daily totalprecipitation records showed that the variation in their sum and average ofdaily, five days, ten days, and monthly values between the stations in thedifferent elevations marked significantly.Despite these variations, temperaturerecords are measured to be consistent in different altitudes and stronglycorrelated. The precipitation data showed a comparatively weaker correlation.The coefficients (0.85-1.6) with R2>0.50 in the regression models forthe lower elevation and higher elevation station in the mid-mountain regionexcept for the monsoon season. It indicated a similar fluctuation of temperaturebetween these two stations in the respective area. The strong degreeof association and the change of climatic parameters in different rangeand elevations indicate the possibilities of using climatic data from Terai torepresent the Mid-mountain region of central Nepal. | Binod Dawadi Ram Hari Acharya Dipendra Lamichhane Saroj Pudasainee IshwarKumar Shrestha | 2020 | Journal of Geographical Research2020，3，4： | 1 |
| 2 | Impact of climate change on agricultural production: A case of Rasuwa District, Nepal显示文摘Climate change is expected to threaten the developing countries the most. Nepal is considered one of the five countries most vulnerable to climate change in the world. The mountainous area such as Rasuwa District in Nepal is more vulnerable due to complex topography, human activity(tourism), and climate change. In this context, we carried out this study to assess the climate change and its impact on agriculture production as well as people’s perceptions on the impact of climate change. The long-term(1980–2014) observed climate data(temperature and precipitation) and field-based survey data on people’s perceptions were analyzed. Mann-Kendall trend test and Sen’s slope estimation were used to analyze the temperature and precipitation trends. Furthermore, key informant interviews(KIIs) and focal group discussions(FGDs) were conducted to understand people’s perceptions of the impact of climate change on agricultural production. Further, ERA5 and Asian Precipitation-Highly Resolved Observational Data Integration Towards Evaluation of Water Resources(APHRODITE) datasets were used to compare the in situ climate data. The maximum temperature and total precipitation in summer monsoon(June–September) were found increasing significantly at rates of 0.07℃/a and 19.89 mm/a, respectively. But the minimum winter temperature and winter precipitation were found decrease by 0.05℃/a and 4.89 mm/a, respectively. Moreover, a large number of respondents reported a decrease in millet and wheat productions while an increase in potato production over the considered time duration(1990–2014). It is noteworthy that the respondents from the mid-elevation regions perceived an increasing trend in crop production compared to those from the low elevation regions. In recent years, people living in the high elevation regions of Rasuwa District have started to shift their cropping calendar to increase agricultural production. This study will provide useful information for policymakers in formulating adaptation strategies in mountainous areas of Nepal. | Binod DAWADI Anjula SHRESTHA Ram Hari ACHARYA Yam Prasad DHITAL Rohini DEVKOTA | 2022 | Regional Sustainability2022，3，2： | 0 |
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