Did hydroclimate conditions contribute to the political dynamics of Majapahit? A preliminary analysis
Abstract
Majapahit was the largest Hindu-Buddhist empire that ruled the Indonesian archipelago from the late 13th to mid-16th centuries CE. Only now there is still a lot of history surrounding the Majapahit era that has yet to be revealed. One is about how environmental factors influenced the political dynamics at that time. This study tries to discuss the influence of hydroclimate regimes using the Paleo Hydrodynamics Data Assimilation (PHYDA) product on the political history of Majapahit during the dry season, which occurs during the boreal summer. We conducted a spatial analysis of the area of drought by taking data from the Palmer Drought Severity Index (PDSI) in the Maritime Continent (MC) for six crucial episodes in the history of Majapahit, namely during the reign of Jayanegara (1309 - 1328 CE), which was marked by various political instability, the golden age of Majapahit (1309 - 1328 CE). 1350 - 1389 CE), the time of the Paregreg civil war (1405 - 1406 CE), the great famine event (ca. 1426 CE), the candrasengkala event (1478 CE), and in 1527 CE, which was marked by the complete conquest of Majapahit by the Demak sultanate. The results show statistically significant differences in most of these six episodes (except during the heyday of Majapahit) against the reference period, which is the average PDSI over the entire Majapahit era (1293 - 1527 CE). In addition, we also conducted a temporal analysis linking PDSI with shifts in the West Pacific Inter Tropical Convergence Zone (WP ITCZ) and El Niño Southern Oscillation (ENSO) represented by Niño 3.4 Sea Surface Temperature (SST). This temporal analysis results show a positive correlation between WP ITCZ - PDSI, a negative correlation between Niño 3.4 SST - PDSI and a negative correlation between ITCZ - Niño 3.4 SST. All of these correlations are statistically significant. So the probable cause of dry/wet conditions in MC during the Majapahit era was triggered by a meridional ITCZ shift which triggered different ENSO phases through Bjerknes feedback. This preliminary study has implications as opening the way to understand the influence of environmental factors on political conditions in the Majapahit era in more detail.
References
Aldrian, E., & Susanto, R. D. (2003). Identification of three dominant rainfall regions within Indonesia and their relationship to sea surface temperature. International Journal of Climatology: A Journal of the Royal Meteorological Society, 23(12), 1435-1452.. https://doi.org/10.1002/joc.950
Alley, W. M. (1984). The Palmer drought severity index: limitations and assumptions. Journal of Applied Meteorology and Climatology, 23(7), 1100-1109. https://doi.org/10.1175/1520-0450(1984)023%3C1100:TPDSIL%3E2.0.CO;2
Bhend, J., Franke, J., Folini, D., Wild, M., & Brönnimann, S. (2012). An ensemble-based approach to climate reconstructions. Climate of the Past, 8(3), 963-976. https://doi.org/10.5194/cp-8-963-2012
Bjerknes, J. (1969). Atmospheric teleconnections from the equatorial Pacific. Monthly weather review, 97(3), 163-172. https://doi.org/10.1175/1520-0493(1969)097<0163:ATFTEP>2.3.CO;2
Buckley, B., Anchukaitis, K., Penny, D., Fletcher, R., Cook, E., Sano, M., Nam, L., Wichienkeeo, A., Minh, T., & Hong, T. M. (2010). Climate as a contributing factor in the demise of Angkor, Cambodia. Proceedings of the National Academy of Sciences, 107(15), 6748-6752. https://doi.org/10.1073/pnas.0910827107
Chang, C. P., Wang, Z., McBride, J., & Liu, C. H. (2005). Annual cycle of Southeast Asia—Maritime Continent rainfall and the asymmetric monsoon transition. Journal of climate, 18(2), 287-301. https://doi.org/10.1175/JCLI-3257.1
Coedes, G. (1975). The Indianized states of Southeast Asia. University of Hawaii Press.
Cribb, R. (2013). Historical Atlas of Indonesia. Routledge.
DeMenocal, P. B. (2001). Cultural responses to climate change during the late Holocene. Science, 292(5517), 667-673. https://doi.org/10.1126/science.1059287
Djafar, H. (2009). Masa akhir Majapahit: Girindrawardhana dan masalahnya. Komunitas Bambu.
Djoened, M. & Poesponegoro, N. N. (2008). Sejarah Nasional Indonesia Jilid 2: Zaman Kuno, volume 2. PT Balai Pustaka (Persero).
Evensen, G. (2009). Data Assimilation: The Ensemble Kalman Filter, volume 2. Springer. https://doi.org/10.1007/978-3-642-03711-5
Fleitmann, D., Haldon, J., Bradley, R. S., Burns, S. J., Cheng, H., Edwards, R. L., Raible, C. C., Jacobson, M., & Matter, A. (2022). Droughts and societal change: The environmental context for the emergence of Islam in late Antique Arabia. Science, 376(6599), 1317-1321. https://doi.org/10.1126/science.abg4044
Franke, J., Brönnimann, S., Bhend, J., & Brugnara, Y. (2017). A monthly global paleo-reanalysis of the atmosphere from 1600 to 2005 for studying past climatic variations. Scientific data, 4(1), 1-19. https://doi.org/10.1038/sdata.2017.76
Goosse, H., Crespin, E., Dubinkina, S., Loutre, M.-F., Mann, M. E., Renssen, H., Sallaz-Damaz, Y., & Shindell, D. (2012). The role of forcing and internal dynamics in explaining the “Medieval Climate Anomaly”. Climate dynamics, 39(12), 2847-2866. https://doi.org/10.1007/s00382-012-1297-0
Hakim, G. J., Emile-Geay, J., Steig, E. J., Noone, D., Anderson, D. M., Tardif, R., Steiger, N., & Perkins, W. A. (2016). The last millennium climate reanalysis project: Framework and first results. Journal of Geophysical Research: Atmospheres, 121(12), 6745-6764. https://doi.org/10.1002/2016JD024751
Haldon, J., Mordechai, L., Newfield, T. P., Chase, A. F., Izdebski, A., Guzowski, P., Labuhn, I., & Roberts, N. (2018). History meets palaeoscience: Consilience and collaboration in studying past societal responses to environmental change. Proceedings of the National Academy of Sciences, 115(13), 3210-3218. https://doi.org/10.1073/pnas.1716912115
Hendon, H. H. (2003). Indonesian rainfall variability: Impacts of ENSO and local air–sea interaction. Journal of Climate, 16(11), 1775-1790. https://doi.org/10.1175/1520-0442(2003)016<1775:IRVIOE>2.0.CO;2
Hoyer, S., & Hamman, J. (2017). xarray: N-D labeled Arrays and Datasets in Python. Journal of Open Research Software, 5(1). https://doi.org/10.5334/jors.148
Khider, D., Emile-Geay, J., Zhu, F., James, A., Landers, J., Ratnakar, V., & Gil, Y. (2022). Pyleoclim: Paleoclimate timeseries analysis and visualization with Python. Paleoceanography and Paleoclimatology, 37(10), e2022PA004509. https://doi.org/10.1029/2022PA004509
Krom, N. J. (1926). Hindoe-Javaansche Geschiedenis. M. Nijhoff.
Lisiecki, L. E., & Raymo, M. E. (2005). A Pliocene‐Pleistocene stack of 57 globally distributed benthic δ18O records. Paleoceanography, 20(1). https://doi.org/10.1029/2004PA001071
Lombard, D. (1969). Jardins a` Java. Arts Asiatiques, 20,135–183. https://www.persee.fr/doc/arasi_0004-3958_1969_num_20_1_1012
Mann, H. B. & Whitney, D. R. (1947). On a Test of Whether one of Two Random Variables is Stochastically Larger than the Other. Annals of Mathematical Statistics, 18(1), 50-60. http://dx.doi.org/10.1214/aoms/1177730491
Met Office (2010 - 2015). Cartopy: a cartographic Python library with a Matplotlib interface. Exeter, Devon. http://scitools.org.uk/cartopy
Muljana, S. (1976). A Story of Majapahit. Singapore University Press.
Muljana, S. (2005). Menuju Puncak Kemegahan: Sejarah Kerajaan Majapahit. LKIS Pelangi Aksara.
Neale, R., & Slingo, J. (2003). The Maritime Continent and its role in the global climate: A GCM study. Journal of Climate, 16(5), 834-848. https://doi.org/10.1175/1520-0442(2003)016%3C0834:TMCAIR%3E2.0.CO;2
Noorduyn, J. (1978). Majapahit in the fifteenth century. Bijdragen tot de Taal-, Land-en Volkenkunde, 2/3, 207–274.
Otto-Bliesner, B. L., Brady, E. C., Fasullo, J., Jahn, A., Landrum, L., Stevenson, S., Rosenbloom, N., Mai, A., & Strand, G. (2016). Climate variability and change since 850 CE: An ensemble approach with the Community Earth System Model. Bulletin of the American Meteorological Society, 97(5), 735-754. https://doi.org/10.1175/BAMS-D-14-00233.1
Pausata, F. S., Zanchettin, D., Karamperidou, C., Caballero, R., & Battisti, D. S. (2020). ITCZ shift and extratropical teleconnections drive ENSO response to volcanic eruptions. Science Advances, 6(23), eaaz5006. https://doi.org/10.1126/sciadv.aaz5006
Pearson, K. (1895). VII. Note on regression and inheritance in the case of two parents. Proceedings of the Royal Society of London, 58(347-352), 240–242. https://doi.org/10.1098/rspl.1895.0041
Prell, W. L., Imbrie, J., Martinson, D. G., Morley, J. J., Pisias, N. G., Shackleton, N. J., & Streeter, H. F. (1986). Graphic correlation of oxygen isotope stratigraphy application to the late Quaternary. Paleoceanography, 1(2), 137-162. https://doi.org/10.1029/PA001i002p00137
Rahardjo, S., Syahrie, S. P., & Rizal, J. (2011). Peradaban Jawa: dari Mataram Kuno sampai Majapahit Akhir. Yayasan Kertagama.
Ramage, C. S. (1968). Role of a Tropical “Maritime Continent” in the Atmospheric Circulation. Monthly Weather Review, 96(6), 365–370. https://doi.org/10.1175/1520-0493(1968)096<0365:ROATMC>2.0.CO;2
Ricklefs, M. C. (2008). A History of Modern Indonesia since c. 1200. Macmillan International Higher Education.
Ricklefs, M. C., Lockhart, B., Lau, A., Reyes, P., & Aung-Thwin, M. (2010). A New History of Southeast Asia. Macmillan International Higher Education.
Robertson, A. W., Moron, V., Qian, J.-H., Chang, C.-P., Tangang, F., Aldrian, E., Koh, T. Y., & Liew, J. (2011). The Maritime Continent Monsoon. The Global Monsoon System: Research and Forecast. 85–98 pp. https://doi.org/10.1142/9789814343411_0006
Roldán‐Gómez, P. J., González‐Rouco, J. F., Melo‐Aguilar, C., & Smerdon, J. E. (2022). The role of internal variability in ITCZ changes over the Last Millennium. Geophysical Research Letters, 49(4), e2021GL096487. https://doi.org/10.1029/2021GL096487
Roldán-Gómez, P. J., González-Rouco, J. F., Smerdon, J. E., & García-Pereira, F. (2023). Model and proxy evidence for coordinated changes in the hydroclimate of distant regions over the Last Millennium. Climate of the Past Discussions, 2023, 1-36. [preprint]. https://doi.org/10.5194/cp-2023-21 , in review.
Sastrawan, W. J. (2022). Portents of Power: Natural Disasters Throughout Indonesian History. Indonesia, 113(1), 9–30. http://doi.org/10.1353/ind.2022.0001
Satyana, A. H. (2007). Bencana Geologi dalam “Sandhyâkâla” Jenggala dan Majapahit: Hipotesis Erupsi Gununglumpur Historis Berdasarkan Kitab Pararaton, Serat Kanda, Babad Tanah Jawi; Folklor Timun Mas; Analogi Erupsi LUSI; dan Analisis Geologi Depresi Kendeng-Delta Brantas. In Proceedings Joint Convention Bali, pp. 1755–1315. https://www.academia.edu/12238168/BENCANA_GEOLOGI_DALAM_SANDHY%C3%82K%C3%82LA_JENGGALA_DAN_MAJAPAHIT_HIPOTESIS_ERUPSI_GUNUNGLUMPUR_HISTORIS_BERDASARKAN_KITAB_PARARATON_SERAT_KANDA_BABAD_TANAH_JAWI_FOLKLOR_TIMUN_MAS_ANALOGI_ERUPSI_LUSI_DAN_ANALISIS_GEOLOGI_DEPRESI_KENDENG_DELTA_BRANTAS
Shen, C., Wang, W.-C., Hao, Z., & Gong, W. (2007). Exceptional drought events over eastern China during the last five centuries. Climatic Change, 85(3), 453–471. https://doi.org/10.1007/s10584-007-9283-y
Steiger, N. J., Hakim, G. J., Steig, E. J., Battisti, D. S., & Roe, G. H. (2014). Assimilation of Time-Averaged Pseudoproxies for Climate Reconstruction. Journal of Climate, 27(1), 426–441. https://doi.org/10.1175/JCLI-D-12-00693.1
Steiger, N. J., Smerdon, J. E., Cook, E. R., & Cook, B. I. (2018). A reconstruction of global hydroclimate and dynamical variables over the Common Era. Scientific Data, 5(1),1–15. https://doi.org/10.1038/sdata.2018.86
Virtanen, P., Gommers, R., Oliphant, T. E., Haberland, M., Reddy, T., Cournapeau, D., Burovski, E., Peterson, P., Weckesser, W., Bright, J., & Van Mulbregt, P. (2020). SciPy 1.0: fundamental algorithms for scientific computing in Python. Nature methods, 17(3), 261-272. https://doi.org/10.1038/s41592-019-0686-2
Wardani, S. P. R., & Kodoatie, R. J. (2008). Disaster management in Central Java Province, Indonesia. In Geotechnical Engineering for Disaster Mitigation and Rehabilitation: Proceedings of the 2nd International Conference GEDMAR08, Nanjing, China 30 May–2 June, 2008 (pp. 254-259). Berlin, Heidelberg: Springer Berlin Heidelberg.. https://doi.org/10.1007/978-3-540-79846-0_23
Wilks, D. S. (2011). Statistical Methods in the Atmospheric Sciences, volume 100. Academic Press.
Wolters, O. W. (1999). History, Culture, and Region in Southeast Asian perspectives. Number 26. SEAP Publications.
Yamanaka, M. D. (2016). Physical climatology of Indonesian maritime continent: An outline to comprehend observational studies. Atmospheric Research, 178, 231-259. https://doi.org/10.1016/j.atmosres.2016.03.017
Yang, S., Zhang, T., Li, Z., & Dong, S. (2019). Climate variability over the Maritime Continent and its role in global climate variation: A review. Journal of Meteorological Research, 33(6), 993-1015. https://doi.org/10.1007/s13351-019-9025-x
Yoden, S., Otsuka, S., Trilaksono, N. J., & Hadi, T. W. (2017). Recent Progress in Research on the Maritime Continent Monsoon. In The Global Monsoon System: Research and Forecast, 63–77. https://doi.org/10.1142/9789813200913_0006
Zhang, P., Cheng, H., Edwards, R., Chen, F., Wang, Y., Yang, X., Liu, J., Tan, M., Wang, X., Liu, J., An, C., Dai, Z., Zhou, J., Zhang, D., Jia, J., Jin, L., & Johnson, K. (2008). A Test of Climate, Sun, and Culture Relationships from an 1810-year Chinese Cave Record. Science, 322(5903), 940–942. https://doi.org/10.1126/science.1163965