Energy, Agriculture, and Water: A Multiobjective Programming Analysis of the Operations of the Aswân High Dam

1980 ◽  
Vol 12 (4) ◽  
pp. 369-379 ◽  
Author(s):  
G Guariso ◽  
K E Haynes ◽  
D Whittington ◽  
M Younis
Keyword(s):  
Environmental Degradation ◽  
Multiobjective Programming ◽  
Energy Generation ◽  
Agricultural Water ◽  
Short Term ◽  
Hydroelectric Energy ◽  
Simulation Process ◽  
Trade Offs ◽  
Aswan High Dam ◽  
Programming Analysis

A multiobjective programming analysis of the operations of the Aswân High Dam is developed using an historical sequence (1871–1976) of monthly inflows as inputs to a simulation process. The trade-offs between hydroelectric energy generation, agricultural water needs, and environmental degradation from river scouring are examined. Production of short-term (three to four months) peak hydropower output is also evaluated.

scholarly journals Escherichia coli metabolism under short-term repetitive substrate dynamics: adaptation and trade-offs

2020 ◽  
Vol 19 (1) ◽  
Author(s):  
Eleni Vasilakou ◽  
Mark C. M. van Loosdrecht ◽  
S. Aljoscha Wahl
Keyword(s):  
Escherichia Coli ◽  
Short Term ◽  
Trade Offs

Effects of strategic tillage on short-term erosion, nutrient loss in runoff and greenhouse gas emissions

Soil Research ◽  
2017 ◽  
Vol 55 (3) ◽  
pp. 201 ◽  
Author(s):  
A. R. Melland ◽  
D. L. Antille ◽  
Y. P. Dang
Keyword(s):  
Nitrous Oxide ◽  
Greenhouse Gas ◽  
Heavy Rainfall ◽  
Ghg Emissions ◽  
Nutrient Loss ◽  
Nitrous Oxide Emissions ◽  
Nutrient Losses ◽  
Short Term ◽  
Trade Offs ◽  
Carbon Dioxide Co2

Occasional strategic tillage (ST) of long-term no-tillage (NT) soil to help control weeds may increase the risk of water, erosion and nutrient losses in runoff and of greenhouse gas (GHG) emissions compared with NT soil. The present study examined the short-term effect of ST on runoff and GHG emissions in NT soils under controlled-traffic farming regimes. A rainfall simulator was used to generate runoff from heavy rainfall (70mmh–1) on small plots of NT and ST on a Vertosol, Dermosol and Sodosol. Nitrous oxide (N2O), carbon dioxide (CO2) and methane (CH4) fluxes from the Vertosol and Sodosol were measured before and after the rain using passive chambers. On the Sodosol and Dermosol there was 30% and 70% more runoff, respectively, from ST plots than from NT plots, however, volumes were similar between tillage treatments on the Vertosol. Erosion was highest after ST on the Sodosol (8.3tha–1 suspended sediment) and there were no treatment differences on the other soils. Total nitrogen (N) loads in runoff followed a similar pattern, with 10.2kgha–1 in runoff from the ST treatment on the Sodosol. Total phosphorus loads were higher after ST than NT on both the Sodosol (3.1 and 0.9kgha–1, respectively) and the Dermosol (1.0 and 0.3kgha–1, respectively). Dissolved nutrient forms comprised less than 13% of total losses. Nitrous oxide emissions were low from both NT and ST in these low-input systems. However, ST decreased CH4 absorption from both soils and almost doubled CO2 emissions from the Sodosol. Strategic tillage may increase the susceptibility of Sodosols and Dermosols to water, sediment and nutrient losses in runoff after heavy rainfall. The trade-offs between weed control, erosion and GHG emissions should be considered as part of any tillage strategy.

scholarly journals PENGARUH GLOBALISASI KEPADATAN PENDUDUK DAN PERTUMBUHAN EKONOMI TERHADAP DEGRADASI LINGKUNGAN DI INDONESIA

2020 ◽  
Vol 2 (4) ◽  
Author(s):  
Safriwan Safriwan ◽  
Idris Idris
Keyword(s):  
Population Density ◽  
Environmental Degradation ◽  
Research Result ◽  
Short Term ◽  
Method Error ◽  
Negative Effect ◽  
Economic Institute ◽  
Carbon Project ◽  
Positive Effect

Abstract : The study describes the effects on globalization population density andeconomic growth on environmental degradation in Indonesia. This research uses a timeseries data from year 1971 - 2017, with method Error Correction Model (ECM). Datasources from Global Carbon Project, KOF Swiss Economic Institute, and WorldBank. Research result explain that (1) Globalization in long term has a insignificantpositive effect on environmental degradation in Indonesia, but short term globalizationhas a insignificant negative effect on environmental degradation in Indonesia (2)Population density in long term has a significant positive , and short term has ainsignificant positive effect on environmental degradation in Indonesia (3) Economicgrowth in long and short term has a significant positive effect on environmentaldegradation in Indonesia.Keywords : Environmental Degradation, Globalization Population Density AndEconomic Growth.

Trajectories of Social Innovation

2019 ◽  
pp. 175-207
Author(s):  
György Molnár ◽  
Attila Havas
Keyword(s):  
Social Innovation ◽  
Complex Interventions ◽  
Complex Nature ◽  
Short Term ◽  
Cognitive Frames ◽  
Trade Offs ◽  
Capability Building ◽  
Major Factors ◽  
Socially Excluded ◽  
Practical Implications

The chapter analyses the specific features of social innovation for marginalized (SIM) or even socially excluded people, using the example of a social microcredit programme. It offers a review of the marginalization of the Roma in Hungary, considering the major factors of becoming marginalized as well as the processes reproducing marginalization, stressing the impacts of interactions between institutions, networks, and cognitive frames, showing that the complex nature of the reproduction of marginalization requires complex interventions, including empowering and capability building. The chapter highlights several policy and practical implications, including trade-offs to be considered when planning and implementing SIMs—in particular, those between exact targeting in a SIM versus building inter-community connections; the degree of assistance provided versus the short-term empowerment effect; and the degree of marginalization of the participants versus the costs of a given SIM.

scholarly journals Pembangunan Ekonomi, Industrialisasi, dan Degradasi Lingkungan Hidup di Indonesia Tahun 1967-2013: Enviromental Kuznet Curve Model

2019 ◽  
Vol 12 (1) ◽  
Author(s):  
Andi Kurniawan
Keyword(s):  
Economic Development ◽  
Error Correction ◽  
Co2 Emissions ◽  
Environmental Degradation ◽  
Environmental Damage ◽  
Kuznets Curve ◽  
Short Term ◽  
Error Correction Mechanism ◽  
The Impact

Penelitian ini bertujuan mengidentifikasi dampak pembangunan ekonomi dan proses industrialisasi terhadap Degradasi lingkungan di Indonesia baik dalam jangka panjang maupun jangka pendek. Untuk melihat pengaruh pembangunan ekonomi dan industrialisasi terhadap penurunan kualitas lingkungan di Indonesia, penelitian ini menggunakan model Enviromental Kuznet Curve (EKC) dan dengan model Error Correction Mechanism (ECM). Hasil penelitian menjelaskan bahwa dalam jangka panjang peningkatan pendapatan masyarakat dan industrilasasi berpengaruh positif  secara linier terhadap peningkatan emisi C02 dan pada tingkat pendapatan tertentu terjadi proses perbaikan lingkungan yang ditandai dengan penurunan emisi CO2. Namun dalam jangka pendek hanya industrialisasi yeng membrikan pengaruh pada peningkatan emisi CO2. Diharapkan adanya konsesus bersama antara pemerintah dan pelaku usaha (industri) dalam mengurangi dampak pencemaran serta adanya peningkatan kesadaran masyakat dalam membantu mengurangi kerusakan lingkungan hidup.   Abstract This study aims to identify the impact of economic development and industrialization to  the environmental degradation in Indonesia, both in the long term and short term. To see the effect of economic development and industrialization to the environmental degradation in Indonesia, this research was  used Environmental Kuznets Curve (EKC) model and the model of  Error Correction Mechanism (ECM). The results of the study explain that in the long term, improvement of people's income and industrialization have positive effect linearly with the increase in C02 emissions and at a certain income level there is a process improvement environment characterized by a decrease in CO2 emissions. But in the short term only industrialization which influence on the increase of CO2 emissions Expected that the consensus between the government and businesses (industri) in reducing the impact of pollution and the increased awareness of society in helping to reduce environmental damage.    

Economic Principles for Medicare Reform

2019 ◽  
Vol 686 (1) ◽  
pp. 63-92
Author(s):  
Amitabh Chandra ◽  
Craig Garthwaite
Keyword(s):  
Pay For Performance ◽  
Medicare Advantage ◽  
Short Term ◽  
Market Prices ◽  
Economic Framework ◽  
Trade Offs ◽  
Medicare Program ◽  
Commercial Market ◽  
New Treatments ◽  
Do So

In this article, we develop an economic framework for Medicare reform that highlights trade-offs that reform proposals should grapple with, but often ignore. Central to our argument is a tension in administratively set prices, which may improve short-term efficiency but do so at the expense of dynamic efficiency (slowing innovations in new treatments). The smaller the Medicare program is relative to the commercial market, the less important this is; but in a world where there are no market prices or the private sector is very small, the task of setting prices that are dynamically correct becomes more complex. Reforming Medicare should focus on greater incentives to increase competition between Medicare Advantage plans, which necessitates a role for government in ensuring competition; premium support; less use of regulated prices; and less appetite for countless “pay for performance” schemes. We apply this framework to evaluate Medicare for All proposals.

Sign in / Sign up

Export Citation Format

Share Document