Research on initial allocation of transboundary water resources by the vision of equal consultation: Take the Lancang-Mekong River Basin as an example

doi:10.3969/j.issn.1004-9479.2024.06.20222244

Abstract

Abstract:

Transboundary water resource allocation is the core issue to alleviate water resources conflicts and realize effective management and utilization of water resources. Based on the perspective of equal negotiation, we used the Negotiation Game Model to describe the cooperation path among basin countries. Firstly, we introduced the idea of flexible weight to establish a fair and reasonable allocation mode by using a Multi-criteria Decision Model. Then, we used the negotiation game model to approximate the negotiation process of each basin country, to explore a fair and reasonable initial allocation scheme of transboundary water resources that can be generally recognized by each basin country. Taking the Lancang-Mekong River Basin (LMRB) as an example for empirical analysis, the results show that: ① The negotiation scheme proposed by each basin country based on the constraint of fair and reasonable allocation mode reflects the interest demands of each basin country, but the sum of the ideal water rights allocation ratio of each basin country does not meet the constraint condition equal to 100%, so negotiation is required. Each country bears a certain loss of water rights, and the reduction of water rights borne by each basin country ranges from zero to 5.02%; ② The average satisfaction of the optimized allocation scheme under different preference scenarios is above 90%, which has higher satisfaction and stability compared with the negotiation scheme proposed by each basin country. It indicates that finding the optimal solution of water resource allocation based on the subject satisfaction function considers the interest demands of each basin country, which can improve the acceptability of the transboundary water rights allocation scheme; ③ Under different allocation scenarios, the proportion of transboundary water rights allocated to China and Thailand is higher, while the proportion allocated to Myanmar is lower. From the perspective of the change rate and the average satisfaction of each basin country before and after the negotiation, the transboundary water rights allocation scheme under the preference equity scenario and preference efficiency scenario is the less controversial scheme for each basin country. This study aims to improve the rationality and feasibility of transboundary water resource allocation and provide support for reducing water resource conflicts.

Key words: equal consultation, transboundary water resources, initial allocation, Negotiation Game Model, LMRB

摘要：

跨境水资源分配是缓解水资源冲突、实现水资源有效治理和利用的核心问题。基于平等协商视角，利用协商谈判博弈模型刻画流域国间的合作路径。首先引入柔性权重思想，利用多准则决策模型建立跨境水资源公平合理分配模式。然后在此基础上，运用协商谈判博弈模型，近似模拟各流域国协商谈判过程，探寻公平合理、能被各流域国普遍认可的跨境水资源初始分配方案。并以澜沧江-湄公河流域为例进行实证分析，结果表明：①各流域国基于公平合理分配模式约束提出的谈判方案，体现了各流域国的利益诉求，但是各流域国理想水权分配比例之和不满足等于100%的约束条件，需要进行协商谈判，各自承担一定的水权损失，且各流域国承担的水权变化幅度在0~5.02%之间；②不同偏好情景下的谈判优化后跨境水权分配方案，平均满意度均在90%以上，相比各流域国提出的谈判方案，具有更高的满意度和稳定性，说明基于主体满意度函数来寻找水资源分配的最优解，兼顾了各流域国的利益诉求，可以提高跨境水权分配方案的可接受性；③不同分配情景下，均是中国和泰国得到的跨境水权分配比例较高，而缅甸得到的分配比例较低，从谈判前后各流域国分配比例变化率和流域国平均满意度来看，偏好公平情景和偏好效率情景下的跨境水权分配方案是各流域国争议较小的方案。通过该研究，以期提高跨境水资源分配的合理性与可行性，为减少跨境水资源冲突提供技术支撑。

关键词: 平等协商, 跨境水资源, 初始分配, 协商谈判博弈模型, 澜湄流域

Fang LI, Fengping WU, Yue ZHAO, Xiangnan CHEN. Research on initial allocation of transboundary water resources by the vision of equal consultation: Take the Lancang-Mekong River Basin as an example[J]. World Regional Studies, 2024, 33(6): 27-38.

李芳, 吴凤平, 赵越, 陈向南. 基于平等协商的跨境水资源初始分配研究[J]. 世界地理研究, 2024, 33(6): 27-38.

Figures/Tables 7

Fig. 1 Basic idea of transboundary water resources initial allocation

Tab.1 Ideal allocation ratio and breaking point of each basin country

流域国	理想水权分配比例 $p i +$				谈判破碎点 $p i -$
流域国	情景1	情景2	情景3	情景4	情景1	情景2	情景3	情景4
中国	31.29	29.49	30.29	31.29	23.47	22.12	22.72	23.47
缅甸	3.28	2.55	3.17	3.28	2.46	1.91	2.38	2.46
老挝	15.27	14.56	15.27	14.55	11.45	10.92	11.45	10.91
泰国	25.86	25.86	24.16	25.40	19.40	19.40	18.12	19.05
柬埔寨	15.30	15.24	14.94	15.30	11.48	11.43	11.21	11.48
越南	22.69	22.69	22.26	18.81	17.02	17.02	16.69	14.11

Tab.1 Ideal allocation ratio and breaking point of each basin country

流域国	理想水权分配比例 $p i +$				谈判破碎点 $p i -$
流域国	情景1	情景2	情景3	情景4	情景1	情景2	情景3	情景4
中国	31.29	29.49	30.29	31.29	23.47	22.12	22.72	23.47
缅甸	3.28	2.55	3.17	3.28	2.46	1.91	2.38	2.46
老挝	15.27	14.56	15.27	14.55	11.45	10.92	11.45	10.91
泰国	25.86	25.86	24.16	25.40	19.40	19.40	18.12	19.05
柬埔寨	15.30	15.24	14.94	15.30	11.48	11.43	11.21	11.48
越南	22.69	22.69	22.26	18.81	17.02	17.02	16.69	14.11

Tab.2 Water rights allocation scheme and evaluation in Lancang Mekong River Basin under different scenarios

情景	中国	缅甸	老挝	泰国	柬埔寨	越南
情景1	26.27	3.28	14.25	22.14	14.22	19.84
情景2	25.50	2.55	14.26	22.81	14.63	20.25
情景3	26.08	3.17	14.71	21.52	14.48	20.04
情景4	27.06	3.28	14.41	22.61	14.87	17.77

Tab.3 Comparative analysis of water rights allocation in Lancang Mekong River Basin under different allocation standards

分配方法	流域国
分配方法	中国	缅甸	老挝	泰国	柬埔寨	越南
按国家数量平均分配（M1）	1/6	1/6	1/6	1/6	1/6	1/6
按流域面积比例分配（M2）/%	20.75	3.02	25.41	23.14	19.50	8.18
按实际产水量分配（M3）/%	16	2	35	17	19	11
按流域人口比例分配（M4）/%	13.93	0.70	6.82	34.26	15.04	29.25
按现状用水分配（M5）/%	5.10	0.27	7.75	20.40	17.49	48.98
多主体协商谈判分配（M6）/%	26.08	3.17	14.71	21.52	14.48	20.04

Tab.4 Determination of ideal water right allocation proportion of each basin country under different ε values

$ε$ 的取值	中国	缅甸	老挝	泰国	柬埔寨	越南	总和
0	31.46	3.47	15.27	24.41	14.96	23.66	113.23
5	30.88	3.33	15.27	24.28	14.95	22.96	111.67
10	30.29	3.20	15.26	24.26	14.94	22.25	110.20
15	29.69	3.06	15.26	24.03	14.93	21.53	108.50
20	29.08	2.92	15.26	23.90	14.91	20.81	106.88
25	28.46	2.78	15.26	23.77	14.90	20.06	105.23
30	27.83	2.64	13.82	23.63	14.89	19.31	102.12

Tab.4 Determination of ideal water right allocation proportion of each basin country under different ε values

$ε$ 的取值	中国	缅甸	老挝	泰国	柬埔寨	越南	总和
0	31.46	3.47	15.27	24.41	14.96	23.66	113.23
5	30.88	3.33	15.27	24.28	14.95	22.96	111.67
10	30.29	3.20	15.26	24.26	14.94	22.25	110.20
15	29.69	3.06	15.26	24.03	14.93	21.53	108.50
20	29.08	2.92	15.26	23.90	14.91	20.81	106.88
25	28.46	2.78	15.26	23.77	14.90	20.06	105.23
30	27.83	2.64	13.82	23.63	14.89	19.31	102.12

Tab.5 Initial allocation proportion and satisfaction degree of each basin country in Lancang Mekong River Basin under different values

最低满意度 $u i 0 p i -$	分配结果	中国	缅甸	老挝	泰国	柬埔寨	越南
20	分配比例	22.62	3.17	15.27	23.01	14.94	20.99
20	满意度	74.67	100	100	95.23	100	94.30
40	分配比例	24.13	3.17	15.27	21.70	14.93	20.79
40	满意度	79.65	100	100	89.80	100	93.40
60	分配比例	25.06	3.17	15.27	21.34	14.94	20.22
60	满意度	82.72	100	100	88.31	100	90.84
80	分配比例	26.50	3.17	14.47	21.62	14.15	20.10
80	满意度	87.48	100	94.77	89.47	94.70	90.30

Tab.5 Initial allocation proportion and satisfaction degree of each basin country in Lancang Mekong River Basin under different values

最低满意度 $u i 0 p i -$	分配结果	中国	缅甸	老挝	泰国	柬埔寨	越南
20	分配比例	22.62	3.17	15.27	23.01	14.94	20.99
20	满意度	74.67	100	100	95.23	100	94.30
40	分配比例	24.13	3.17	15.27	21.70	14.93	20.79
40	满意度	79.65	100	100	89.80	100	93.40
60	分配比例	25.06	3.17	15.27	21.34	14.94	20.22
60	满意度	82.72	100	100	88.31	100	90.84
80	分配比例	26.50	3.17	14.47	21.62	14.15	20.10
80	满意度	87.48	100	94.77	89.47	94.70	90.30

Fig. 2 The impact of China's asymmetric power on the water rights allocation of each basin country

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