Recent trends in tropospheric temperature over India during the period 1971–2015

Kothawale, D. R.; Singh, H. N.

doi:10.1002/2016ea000246

Cited by 15 publications

(3 citation statements)

References 21 publications

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“…Indian annual mean land surface air temperatures have warmed by 0.6°C century −1 between 1901 and 2018 (Srivastava et al 2019). All India mean annual tropospheric temperature measured by radiosonde stations also showed an increasing trend from the surface to 500 hPa during the period 1971-2015 (Kothawale and Singh 2017). A similar warming trend is revealed by dendroclimatic studies over the eastern Himalaya including Sikkim and Bhutan in recent decades (Krusic et al 2015;Yadava et al 2015;Borgaonkar et al 2018).…”

Section: Mean Temperaturesupporting

confidence: 74%

Temperature Changes in India

Sanjay

Revadekar

Ramarao

et al. 2020

Assessment of Climate Change Over the Indian Region

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Key Messages • Annual mean, maximum and minimum temperatures averaged over India during 1986-2015 show significant warming trend of 0.15°C, 0.15°C and 0.13°C per decade, respectively (high confidence), which is consistent with dendroclimatic studies. • Pre-monsoon temperatures displayed the highest warming trend followed by post-monsoon and monsoon seasons. • The frequency of warm extremes over India has increased during 1951-2015, with accelerated warming trends during the recent 30 year period 1986-2015 (high confidence). Significant warming is observed for the warmest day, warmest night and coldest night since 1986. • The CORDEX mean surface air temperature change over India for the mid-term (long-term) period 2040-2069 (2070-2099) relative to 1976-2005 is projected to be in the range of 1.39-2.70°C (1.33-4.44°C) across greenhouse gas warming scenarios. The ranges of these Indian mean temperature trends are broadly consistent with the CMIP5 based estimates. • The frequency and intensity of warm days and warm nights are projected to increase over India in the next decades, while that of cold days and cold nights will decrease (high confidence). These changes will be more pronounced for cold nights and warm nights. • The pre-monsoon season heatwave frequency, duration, intensity and areal coverage over India are projected to substantially increase during the twenty-first century (high confidence).

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Section: Mean Temperaturesupporting

confidence: 74%

Temperature Changes in India

Sanjay

Revadekar

Ramarao

et al. 2020

Assessment of Climate Change Over the Indian Region

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“…Studies of temperature variations at regional scale are of great concern due to unequal warming across the globe during the present climatic scenario (Kothawale and Singh, 2017). April-June is the period with warmest temperatures over India.…”

Section: Introductionmentioning

confidence: 99%

Assessment of hot weather seasonal temperatures over India using Monsoon Mission Coupled Forecasting System hindcasts

Rohini

Rajeevan

Rao

et al. 2022

Intl Journal of Climatology

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The present study evaluates the skill of seasonal forecasts of temperatures over India during April to June using the Monsoon Mission Coupled Forecasting System (MMCFS) model hindcasts, which are initialized with February initial conditions. Model hindcast data of 1981-2017 period have been used for the analysis. The India Meteorological Department (IMD) gridded temperature dataset has been used for model verifications. The MMCFS model captures the annual cycle of temperatures reasonably well, but with a higher mean and smaller variability compared to observations. The model hindcasts show a significant skill for seasonal forecasts of temperatures over most of northwest and central India. Empirical Orthogonal Function (EOF) analysis suggests that the model captures temporal and spatial characteristics of different modes of maximum temperatures but with less accuracy. The model teleconnections of maximum temperatures with Indian Ocean sea surface temperatures (SSTs) and El Niño-Southern Oscillation (ENSO) are weakly represented. The model is also found capable of predicting the spatial distribution of heat wave characteristics such as heat wave frequency (HWF) and heat wave duration (HWD) reasonably well. The present study suggests that the MMCFS Model can be used to generate a useful outlook of hot weather seasonal temperatures and heat waves over India.

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“…Due to climate change excessive melting of ice, and retreating snow cover are some of the hydrological changes observed globally. Kothawale and Singh (2017) investigated linear trends of surface and tropospheric temperature of five selected isobaric levels for the period 1971-2015 across India. The study by the authors projected an increase in surface temperature of 0.74°C for the region with latitude greater than 22° N, and an increase of 0.80°C for region with latitude less than 22°N.…”

Section: Introductionmentioning

confidence: 99%

Spatio-temporal analysis of temperature projections based on representative concentration pathways for Satluj River Basin, India

2021

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A spatio-temporal analysis of representative concentration pathways (RCPs)-based projections of surface air temperatures under different combinations of global circulation models (GCMs) and RCPs for Satluj River Basin has been presented. The projections of temperature anomalies have been obtained for several meteorological stations in the basin using 16 different combinations of emission scenarios and global climate models (GCMs). For each combination, the projections of temperature anomalies have been analysed for two future time periods centred at 2030 and 2050. The results of the analysis conducted herein clearly indicate that the temperature will rise for all the future time scales with the maximum increase being projected under RCP8.5 compared to the baseline 1986-2005. However, there is large inter-model variability in the projections of temperature anomalies under different RCPs. Under RCP 8.5, the average temperature in Satluj basin is projected to rise by around 4°C by mid of the twenty-first century. The projections of temperature anomalies analysed herein could be potentially used for the evaluation of hydrological impacts of climate change in Satluj River Basin-a key basin in the Himalayan region from the view point of global warming.

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Recent trends in tropospheric temperature over India during the period 1971–2015

Cited by 15 publications

References 21 publications

Temperature Changes in India

Temperature Changes in India

Assessment of hot weather seasonal temperatures over India using Monsoon Mission Coupled Forecasting System hindcasts

Spatio-temporal analysis of temperature projections based on representative concentration pathways for Satluj River Basin, India

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