Quantifying relative contribution of land use change and climate change to streamflow alteration in the Bengawan Solo River, Indonesia

Marhaento, Hero; Booij, Martijn J.; Ahmed, Naveed

doi:10.1080/02626667.2021.1921182

Cited by 12 publications

(9 citation statements)

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“…Bagian hulu Daerah Aliran Sungai (DAS) memiliki peran sangat strategis dalam siklus air, penyangga sistem kehidupan, serta perlindungan terhadap bencana alam (erosi, longsor) (Marhaento et al, 2018;Nugroho et al, 2013). Tutupan lahan berupa hutan di DAS terbukti memiliki peran penting dalam pengendalian daur hidrologi (Marhaento et al, 2021;Marhaento et al, 2018;Nugroho et al, 2013;Suryatmojo, 2015) dan menyediakan alternatif pendapatan bagi masyarakat lokal (Muhamad et al, 2014;Nugroho et al, 2020; bergantung pada keberhasilan pengelola hutan dalam menjaga hubungan dengan masyarakat lokal Nugroho & Numata, 2021Pudyatmoko et al, 2018;Yokota et al, 2014).…”

Section: Pendahuluanunclassified

Persepsi Masyarakat Terhadap Rehabilitasi Hutan; Studi Kasus Di Hulu Daerah Aliran Sungai Bengawan Solo, Indonesia

Manto,

Nugroho

2023

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Successful forest rehabilitation in the upstream is essential to enhance upstream ecosystem functions for living systems. It is believed that the community's perception of the benefits and costs incurred by forest rehabilitation activities substantially impacts its implementation. Therefore, this research aims to determine the community's perception of the impacts (benefits and losses) and attitude of forest rehabilitation in the neighborhood of Wonorejo Village, located in the upper of the Bengawan Solo watershed. A questionnaire-based survey was conducted to explore community perceptions of the benefits of forest rehabilitation, perceived losses, and attitudes toward forest rehabilitation. In total, this research succeeded in collecting 307 respondents. The results suggest that forest rehabilitation facilitates several forest-based ecosystem services, including landslide prevention, water conservation, flood mitigation, forest preservation, and community collaboration. Nevertheless, the most frequently observed adverse consequence of forest rehabilitation is the proliferation of pests and diseases among forest vegetation. Moreover, the community generally has a positive attitude towards the forest rehabilitation program, considering that forest rehabilitation is an activity that is useful, wise, and profitable for the community. Hence, the results of the present study suggest that to ensure the success of forest rehabilitation, managers should not solely concentrate on the benefits of the initiative but also devise policies capable of mitigating its adverse effects and improving residents' positive attitudes toward forest rehabilitation initiatives.

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Section: Pendahuluanunclassified

Persepsi Masyarakat Terhadap Rehabilitasi Hutan; Studi Kasus Di Hulu Daerah Aliran Sungai Bengawan Solo, Indonesia

Manto,

Nugroho

2023

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“…are the most major and devastating natural disasters with the significant character of great socioeconomic losses [1][2][3]. These events have accelerated the occurrence and magnitude of devastation with climate change and human activities [4][5][6][7][8][9]. Precipitation extremes are of great importance among extreme events as they control all hydrological extremes [10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Occurrence and Distribution of Long-Term Variability in Precipitation Classes in the Source Region of the Yangtze River

et al. 2023

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Various precipitation-related studies have been conducted on the Yangtze River. However, the topography and atmospheric circulation regime of the Source Region of the Yangtze River (SRYZ) differ from other basin parts. Along with natural uniqueness, precipitation constitutes over 60% of the direct discharge in the SRYZ, which depicts the decisive role of precipitation and a necessary study on the verge of climate change. The study evaluates the event distribution of long-term variability in precipitation classes in the SRYZ. The precipitation was classified into three precipitation classes: light precipitation (0–5 mm, 5–10 mm), moderate precipitation (10–15 mm, 15–20 mm, 20–25 mm), and heavy precipitation (>25 mm). The year 1998 was detected as a changing year using the Pettitt test in the precipitation time series; therefore, the time series was divided into three scenarios: Scenario-R (1961–2016), the pre-change point (Scenario-I; 1961–1998), and the post-change point (Scenario-II; 1999–2016). Observed annual precipitation amounts in the SRYZ during Scenario-R and Scenario-I significantly increased by 13.63 mm/decade and 48.8 mm/decade, respectively. The same increasing trend was evident in seasonal periods. On a daily scale, light precipitation (0–5 mm) covered most of the days during the entire period, with rainy days accounting for 83.50%, 84.5%, and 81.30%. These rainy days received up to 40%, 41%, and 38% of the annual precipitation during Scenario-R, Scenario-I, and Scenario-II, respectively. Consequently, these key findings of the study will be helpful in basin-scale water resources management.

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“…Recently, there have been major advances achieved by an upsurge in large catchment studies, notably in Amazonia [7][8][9][10] and Indonesia [11], assessing water budget responses to land-use and climate change using a combination of long-term river flow and rainfall records and spatiotemporal records of changes in land-use and forest character and extent derived from repeat remote sensing imagery [12]. In the case of the Xingu catchment, it was demonstrated that over the period 1976-2015 river flow remained unchanged, because large-scale conversion of rainforest to pasture and soybean (low vegetation types with low evapotranspiration) meant that a reduction in rainfall of 245 mm was offset by a large fall in evapotranspiration [9,11]. In Indonesia, the relative contributions of land-use change (mainly to oil palm) and rainfall decline to the water budget of the Bengawasan Solo River were able to be quantified [11].…”

Section: Introduction and Brief Reviewmentioning

confidence: 99%

“…In the case of the Xingu catchment, it was demonstrated that over the period 1976-2015 river flow remained unchanged, because large-scale conversion of rainforest to pasture and soybean (low vegetation types with low evapotranspiration) meant that a reduction in rainfall of 245 mm was offset by a large fall in evapotranspiration [9,11]. In Indonesia, the relative contributions of land-use change (mainly to oil palm) and rainfall decline to the water budget of the Bengawasan Solo River were able to be quantified [11]. Although most studies continue to consider evapotranspiration as a whole rather than considering transpiration and interception, the pioneer study by Fan et al [13] has included separate consideration of interception in their modelling of evapotranspiration in catchments that are partly rainforest and partly oil palm in Indonesia.…”

Section: Introduction and Brief Reviewmentioning

confidence: 99%

Baseflow Persistence and Magnitude in Oil Palm, Logged and Primary Tropical Rainforest Catchments in Malaysian Borneo: Implications for Water Management under Climate Change

Nainar

Walsh

Bidin

et al. 2022

Water

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While timber harvesting has plateaued, repeat-logging and conversion into plantations (especially oil palm) are still active in the tropics. The associated hydrological impacts especially pertaining to enhanced runoff, flood, and erosion have been well-studied, but little attention has been given to water resource availability in the humid tropics. In the light of the increasing climate extremes, this paper compared baseflow values and baseflow recession constants (K) between headwater catchments of five differing land-uses in Sabah, Malaysian Borneo, namely primary forest (PF), old growth/virgin jungle reserve (VJR), twice-logged forest with 22 years regeneration (LF2), multiple-logged forest with 8 years regeneration (LF3), and oil palm plantation (OP). Hydrological and meteorological sensors and dataloggers were established in each catchment. Daily discharge was used for computing K via four estimation methods. Catchment ranks in terms of decreasing K were VJR (0.97841), LF3 (0.96692), LF2 (0.90347), PF (0.83886), and OP (0.86756). Catchment ranks in terms of decreasing annual baseflow were PF (1877 mm), LF3 (1265 mm), LF2 (812 mm), VJR (753 mm), and OP (367 mm), corresponding to 68%, 55%, 51%, 42%, and 38% of annual streamflow, respectively. Despite the low K, PF had the highest baseflow magnitude. OP had the fastest baseflow recession and lowest baseflow magnitude. Baseflow persistence decreased with increasing degree of disturbance. K showed strong association to catchment stem density instead of basal area. For dynamic catchments in this study, the Kb3 estimator is recommended based on its lowest combination of coefficient of variation (CoV) and root mean squared error (RMSE) of prediction. For wetter catchments with even shorter recession events, the Kb4 estimator may be considered. Regarding climate change, logging and oil palm agriculture should only be conducted after considering water resource availability. Forests (even degraded ones) should be conserved as much as possible in the headwaters for sustainable water resource.

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Quantifying relative contribution of land use change and climate change to streamflow alteration in the Bengawan Solo River, Indonesia

Cited by 12 publications

References 50 publications

Persepsi Masyarakat Terhadap Rehabilitasi Hutan; Studi Kasus Di Hulu Daerah Aliran Sungai Bengawan Solo, Indonesia

Persepsi Masyarakat Terhadap Rehabilitasi Hutan; Studi Kasus Di Hulu Daerah Aliran Sungai Bengawan Solo, Indonesia

Occurrence and Distribution of Long-Term Variability in Precipitation Classes in the Source Region of the Yangtze River

Baseflow Persistence and Magnitude in Oil Palm, Logged and Primary Tropical Rainforest Catchments in Malaysian Borneo: Implications for Water Management under Climate Change

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