Assessment of hydrological response as a function of LULC change and climatic variability in the catchment of the Wular Lake, J&amp;K, using geospatial technique

Mushtaq, Fayma; Lala, Mili Ghosh Nee

doi:10.1007/s12665-017-7065-z

Cited by 16 publications

(9 citation statements)

References 34 publications

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“…Whereas Aru, Kirkadal, and Gur observed statistically significant depleting streamflows, Batakoot and Narayanbagh experienced a statistically insignificant decrease ( Table 4). The statistically significant depleting streamflows have also been reported by earlier works [37,85] in the Kashmir region. The depleting streamflows do not appear to have severely affected the upstream stations (Aru and Batakoot).…”

Section: Discussionsupporting

confidence: 84%

Linking the Recent Glacier Retreat and Depleting Streamflow Patterns with Land System Changes in Kashmir Himalaya, India

Rashid

Majeed

Aneaus

et al. 2020

Water

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This study reports the changes in glacier extent and streamflow similar to many Himalayan studies, but takes the unusual step of also linking these to downstream land use changes in Kashmir Valley. This study assessed changes in the area, snout, and equilibrium line altitude (ELA) of four parts of the Kolahoi Glacier using earth observation data from 1962 to 2018. Changes in the discharge of the two streams flowing out from Kolahoi Glacier into the Jhelum basin were also assessed between 1972 and 2018. Additionally, satellite data was used to track the downstream land system changes concerning agriculture, orchards, and built-up areas between 1980 and 2018. This analysis suggested a cumulative deglaciation of 23.6% at a rate of 0.42% per year from 1962 to 2018. The snout of two larger glaciers, G1 and G2, retreated at a rate of 18.3 m a −1 and 16.4 m a −1 , respectively, from 1962 to 2018, although the rate of recession accelerated after 2000. Our analysis also suggested the upward shift of ELA by ≈120 m. The streamflows measured at five sites showed statistically significant depleting trends that have been a factor in forcing extensive land system changes downstream. Although the area under agriculture in Lidder watershed shrunk by 39%, there was a massive expansion of 176% and 476% in orchards and built-up areas, respectively, from 1980 to 2018. The conversion of irrigation-intensive agriculture lands (rice paddy) to less water-intensive orchards is attributed to economic considerations and depleting streamflow.Water 2020, 12, 1168 2 of 18 to decrease in the streamflows in the Himalayan Rivers [7,[27][28][29], which could affect water availability downstream [30]. Studies suggest that the glacier recession in the Kashmir valley has already resulted in the depleted streamflows downstream [31,32]. The land system changes in the region [33][34][35][36] have been linked to depleting streamflows, economic considerations, and unplanned land transformation.The use of remote sensing data for quantifying land system changes over the Kashmir region has been widely documented [37][38][39][40]. At the same time, there is substantial scientific literature detailing the glacier retreat prevalent over the region. A recent study indicated that the glaciers in the Ladakh region are retreating at 0.55% a −1 [41], whereas another study [42] reported few stable and advancing glaciers in the Zanskar region of Jammu and Kashmir. Similar retreat estimates have been put forth for the Zanskar region for the glacier area changes carried between 1989 and 2007 [43]. However, very conservative area changes (0.16% a −1 ) have been reported for the neighboring Suru basin [44] for the glacier area changes assessed for the 1977-2017 period. In another study carried out in the Lidder watershed of the Jhelum basin, the glaciers were reported to be shrinking at 0.51% a −1 [17]. Glacier mass change over the western Himalayas has accelerated from 0.33 to 0.5 m w.e. (water equivalent) per year between 1970-2000 and 2000-2010, respectively [45]. Ther...

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Section: Discussionsupporting

confidence: 84%

Linking the Recent Glacier Retreat and Depleting Streamflow Patterns with Land System Changes in Kashmir Himalaya, India

Rashid

Majeed

Aneaus

et al. 2020

Water

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“…The foremost causative factor behind the higher trophic level is due to the radical change in LULC, particularly cultivated lands, decreased forest cover, unplanned urbanization which contribute high nutrient loads (Liu et al., 2010; Mushtaq & Nee Lala, 2017; Wang et al., 2011, 2013; Wu & Wang, 2012). A drastic transformation in the form of unplanned urban sprawl comprising of built‐up areas (increased from 7 to 52 km 2 during 1992–2008), which exists in the vicinity of lake contributes huge amount of nutrient load to lake from major rivers and other small tributaries due to the improper drainage system (Mushtaq & Pandey, 2013).…”

Section: Resultsmentioning

confidence: 99%

“…TSI (Z SD ) classified the deepest water of the lake (mesotrophic class as per TSI FHL ) under eutrophic category (53.23%). According to Carlson (1980), Mannino et al (2008) care should be taken while classifying inland waters using Secchi disk as transparency exhibit the combined effect of algal as well as (Aizaki et al, 1981;Carlson, 1977;Carlson & Simpson, 1996;Vollenweider & Kerekes, 1982) The foremost causative factor behind the higher trophic level is due to the radical change in LULC, particularly cultivated lands, decreased forest cover, unplanned urbanization which contribute high nutrient loads (Liu et al, 2010;Mushtaq & Nee Lala, 2017;Wang et al, 2011Wang et al, , 2013Wu & Wang, 2012). A drastic transformation in the form of unplanned urban sprawl comprising of built-up areas (increased from 7 to 52 km 2 during 1992-2008), which exists in the vicinity of lake contributes huge amount of nutrient load to lake from major rivers and other small tributaries due to the improper drainage system (Mushtaq & Pandey, 2013).…”

Section: Landsat 8 Oli Derived Tsi Fhlmentioning

confidence: 99%

Trophic State Assessment of a Freshwater Himalayan Lake Using Landsat 8 OLI Satellite Imagery: A Case Study of Wular Lake, Jammu and Kashmir (India)

Mushtaq¹,

Lala

Mantoo³

2022

Earth and Space Science

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Freshwater ecosystems across the globe are under substantial stress and prone to frequent manifestations such as harmful algal blooms (Lee et al., 2016) which pose threat to society and environment restricting lives of humans and animals dependent on lake ecosystem (Le et al., 2013;Smith, 2006). Being the primary source of organic carbon, biogeochemical process, and base of aquatic food web, phytoplankton has a significant impact on lake ecosystem and water quality (

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“…As a consequence, it is clear that in most cases they increase water yield, overland flow (Marhaento et al 2018) and flood occurrence (Wheater and Evans 2009;Sinha and Eldho 2018). LULC changes will affect both erosion rates (Fenli et al 2002;Happ 2014;Mushtaq and Lala 2017;Vaighan et al 2017;Zare et al 2017) and sediment yield (Mir et al 2016). For example, in the Dong Nai watershed (38,788 km2) in Vietnam, the sediment yield had increased from 24.96 to 38.66 ton ha-1 yr-1 between 2000 and 2008 (Loi 2010).…”

Section: Introductionmentioning

confidence: 99%

How land use/land cover changes can affect water, flooding and sedimentation in a tropical watershed: a case study using distributed modeling in the Upper Citarum watershed, Indonesia

Siswanto

Francés

2019

Environ Earth Sci

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Human activity has produced severe LULC changes within the Upper Citarum watershed and these changes are predicted to continue in the future. With an increase in population parallel to a 141% increment in urban areas, a reduction of rice fields and the replacement of forests with cultivations have been found in the past. Accordingly, LCM model was used to forecast the LULC in 2029. A distributed model called TETIS was implemented in the Upper Citarum watershed to assess the impact of the different historical and future LULC scenarios on its water and sediment cycles. This model was calibrated and validated with different LULCs. For the implementation of the sediment sub-model, it was crucial to use the bathymetric information of the reservoir located at the catchment's outlet. Deforestation and urbanization have been shown to be the most influential factors affecting the alteration of the hydrological and sedimentological processes in the Upper Citarum watershed. The change of LULC decreases evapotranspiration and as a direct consequence, the water yield increased by 15% and 40% during the periods 1994 to 2014 and 2014 to 2029, respectively. These increments are caused by the rise of three components in the runoff: overland flow, interflow and base flow. Apart from that, these changes in LULC increased the area of non-tolerable erosion from 412 km2 in 1994 to 499 km2 in 2029. The mean sediment yield increased from 3.1 Mton yr-1 in the 1994 LULC scenario to 6.7 Mton yr-1 in the 2029 LULC scenario. An increment of this magnitude will be catastrophic for the operation of the Saguling Dam.

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Assessment of hydrological response as a function of LULC change and climatic variability in the catchment of the Wular Lake, J&K, using geospatial technique

Cited by 16 publications

References 34 publications

Linking the Recent Glacier Retreat and Depleting Streamflow Patterns with Land System Changes in Kashmir Himalaya, India

Linking the Recent Glacier Retreat and Depleting Streamflow Patterns with Land System Changes in Kashmir Himalaya, India

Trophic State Assessment of a Freshwater Himalayan Lake Using Landsat 8 OLI Satellite Imagery: A Case Study of Wular Lake, Jammu and Kashmir (India)

How land use/land cover changes can affect water, flooding and sedimentation in a tropical watershed: a case study using distributed modeling in the Upper Citarum watershed, Indonesia

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