Publications
Relations of Representatives of Transoxiana in Samarra during the Reigns of the Caliphs Al-Mutawakkil (847-861) and Al-Muntaṣir (861-862)
A critical stage in the decline of Abbasid central authority is revealed through the analysis of political dynamics in Samarra during the reigns of Caliphs al-Mutawakkil (847-861) and al-Muntaṣir (861-862). The study demonstrates that representatives from Transoxiana, including Turkic ghilman, Faraghina, and Ushrusanians, did not form a unified political group but operated within intricate patronage networks, military interests, and court rivalries. The research highlights the socio-spatial dimension of Samarra as a competitive settlement space among different military corps, drawing on archaeological and topographical studies alongside historical accounts from al-Ṭabarī, al-Yaʿqūbī, and al-Masʿūdī. This period marked the growing influence of Transoxianan elites in the caliphate's military-political system, contributing to the weakening of central authority.
The Effect of Religious Monuments in the Plan of the ArabianIslamic city Samarra City – Case Study
Religious monuments play a significant regulatory role in the planning of Arabian Islamic cities, influencing urban fabric, spatial connections, and public space distribution. A study focusing on Samarra, one of the most important Arab Islamic cities, used GIS software (ArcView 3.3) to analyze its urban formation. The research found that religious monuments act as landmarks, shaping the city's layout by affecting axial connections, orientation, and permeability around their locations. This regulatory impact extends to both local and global levels, contributing to the city's architectural identity and spatial organization.
Constructing Hydraulic Infrastructure in the ʿAbbāsid and Ṭūlūnid Capitals: Water Conduits in Baghdad, Samarra and Cairo between the Eighth and Ninth Centuries
Early Islamic hydraulic infrastructure, particularly water conduits in Baghdad, Samarra, and Cairo (al-Qaṭāʾiʿ), was primarily constructed to serve elite needs rather than the general populace. This study reveals that such projects required substantial financial and labor investments but often prioritized luxury for ruling classes over broader public utility. Using textual and material evidence, researchers analyzed three case studies—Baghdad under the ʿAbbāsid Caliphate, Samarra as a short-lived capital, and Cairo during the Ṭūlūnid dynasty—to explore construction motivations, maintenance challenges, and long-term usage patterns. The findings underscore the dual role of these systems: as symbols of power and as functional but elite-centric urban amenities.
Introduction — Managing and Understanding Water in the Abbasid Caliphate
Water management in the Abbasid Caliphate was not merely about resource scarcity but often hinged on governance and institutional organization. This special issue of the Journal of Abbasid Studies examines how urban centers like Basra, Baghdad, Samarra, and Red Sea harbor towns addressed water provision through diverse approaches, involving both central authorities and local practices. By integrating archaeological remains, geographies, legal texts, and scientific manuals, the study reveals that water scarcity was frequently mitigated through sophisticated governance strategies rather than solely by resource availability. The research underscores the multifaceted nature of water management in historical societies, offering new insights into urban planning, trade, and public health during this pivotal era.
Lost Cities in the Near East: Reassembling Knowledge through Archival Research and Excavation Documentation
Research on the 'lost cities' of Western Asia, such as Palmyra and Samarra, reveals that early explorations and archaeological practices have shaped narratives about their urban histories, often marginalizing certain periods. By analyzing archival research, historical literature, and excavation documentation, this study demonstrates how political regimes and scholarly traditions influence contemporary understandings of these cities. The findings highlight the need for a more inclusive approach to reconstructing knowledge about these significant heritage sites.
Paesaggi e capitali imperiali della Mesopotamia preclassica: ricognizioni di superficie nell’Iraq centro-meridionale e gli scavi di Ninive e Dur-Kurigalzu
A groundbreaking archaeological project, spanning from 2016 to 2024, has uncovered 120 previously unknown sites in Iraq, shedding light on the landscapes and urbanization cycles of Mesopotamia from the fourth millennium BC to modern times. The QADIS project, led by the University of Bologna in collaboration with the State Board of Antiquities and Heritage, employed a multifaceted approach combining surface surveys, remote sensing, geoarchaeology, and machine-learning algorithms for site detection. Excavations at the imperial capitals of Nineveh and Aqar Quf/Dur-Kurigalzu have revealed new monumental structures, city gates, administrative buildings, and cuneiform libraries. This research not only advances our understanding of the earliest Mesopotamian cities but also contributes to the protection and enhancement of Iraq's endangered archaeological heritage.
The Palace of Balkuwara, Samarra
The Palace of Balkuwara in Samarra, Iraq, stands as a testament to the monumental urban planning and architectural prowess of the early Abbasid caliphate. Built during the reign of Caliph al-Mutawakkil in the 9th century, this palatial complex offers unprecedented insights into the logistical challenges and resource management required for large-scale construction during this period. Archaeological analysis reveals that Balkuwara was part of a broader urban network, including 'cantonments' housing units primarily for the Turkish army, highlighting the caliphate's reliance on organized labor and military infrastructure. This study underscores the significance of Samarra as a model for urban foundations across the early Islamic world, demonstrating how the availability of labor and resources could determine the success or failure of such projects.
Garden and River in the Land between Two Rivers
A strategic alignment of palace gardens along the Tigris River in Samarra, Mesopotamia, was pivotal in shaping Abbasid royal court life and urban planning. This study reveals that the design of these gardens prioritized visual and physical connections to the river, offering both practical advantages—such as water access—and courtly functions, underscoring their cultural and functional significance. By synthesizing textual and archaeological evidence, researchers demonstrate how this relationship between gardens and the Tigris defined daily life in the capital cities of Baghdad and Samarra, highlighting the river's central role in the region's history.
Study of Some Environmental and Reproductive Aspects of Some Fish Species in the Tigris River West of the City of Samarra, Salah Al-Din / Iraq
A study on the Tigris River west of Samarra, Iraq, revealed significant gender imbalances among fish populations, with female dominance ranging from 1.19:1 to 7.0:1 across eight species. Monthly variations in gonad function (G.S.I) were also observed, indicating reproductive activity fluctuations. Environmental factors such as water temperature (10–22°C), dissolved oxygen (6.5–8.4 mg/L), and turbidity (39.5–49 NTU) were measured over six months, with notable peaks in temperature and turbidity during colder months. The research highlights the ecological dynamics of this UNESCO World Heritage Site's aquatic ecosystem, providing insights into species-specific reproductive strategies and environmental influences.
The Impact of Population Changes on the Functional Composition of the City of Samarra and Its Prospects
Research on Samarra Archaeological City reveals significant imbalances between population growth and functional urban development, particularly in commercial and educational sectors. The study highlights how unplanned shifts in land use—such as the relocation of commercial functions to new quarters without adherence to planning standards—have exacerbated spatial inefficiencies and security concerns. It also identifies chaotic residential distribution patterns that undermine functional coherence. By analyzing population trends alongside urban planning norms, the research proposes a future vision for Samarra, aiming to optimize space utilization and address current disparities. This work underscores the critical role of geographical analysis in assessing land-use dynamics and guiding sustainable urban development.
Evaluation of Hydrogeological Conditions, of the groundwater reservoir west of Samarra by using Data pumping tests in wells Single
A hydrogeological study of the groundwater reservoir west of Samarra, Iraq, reveals significant variability in aquifer properties. Analysis of 50 wells identified two distinct aquifers: a semi-confined Injana aquifer and an unconfined Quaternary sediment aquifer. Pumping tests in individual wells determined that transmissivity (T) ranges from 51.8 m²/day in the east to 5.3 m²/day in the west, while hydraulic conductivity (K) varies from 1.23 m/day in the east to 0.119 m/day in the west. The study also found that groundwater flow moves generally from west to east with a slight southern slope. These findings provide critical insights into the hydrogeological conditions of the region, which could inform water resource management strategies for Samarra Archaeological City.
“Cup of Pharaoh” from Samarra and the Reuse of Ancient spolia as Water Features in the medieval Islamic World
A large, circular basin discovered at the Abbasid capital of Samarra matches historical descriptions of a fountain known as 'Cup of Pharaoh' in the city's Congregational Mosque. This basin, likely carved from non-local Egyptian stone, challenges assumptions about its origin and purpose. The study explores possible acquisition scenarios, transport logistics, and motivations behind its reuse, including pragmatic repurposing or symbolic statements of contemporary power. Comparable basins suggest this practice was widespread in the medieval Islamic world, highlighting how ancient artifacts were understood and repurposed during the Abbasid Caliphate.
Bioaccumulation of some heavy elements in Phragmites australis plant from Tigris River at Samarra city-Iraq
A study on the Samarra Archaeological City revealed significant bioaccumulation of heavy metals (lead, zinc, nickel) in Phragmites australis plants along the Tigris River. The research found that lead was the most accumulated metal in plant tissues, particularly in stems and fruits, with accumulation patterns varying between two sampling stations. Zinc and nickel followed in descending order, indicating higher contamination at one station. Water analysis showed zinc as the predominant heavy metal, while seasonal variations were observed for lead and nickel concentrations. The study highlights Phragmites australis' potential role as a bioindicator for heavy metal pollution, offering insights into environmental monitoring in UNESCO World Heritage Sites.
Geotechnical Properties Evaluation of Selected Reservoir Sediments in Samarra Barrage and Wind dam, Iraq
A study evaluating the geotechnical properties of sediments from Samarra Barrage and Wind Dam reservoirs in Iraq reveals that these soils exhibit overconsolidation characteristics, with normal consolidation pressures, compression indices, and swelling indices indicative of stable, low-plasticity silt deposits. The sediments, primarily composed of quartz, calcite, dolomite, gypsum, albite, and clay minerals (montmorillonite, chlorite, illite, kaolinite), display alkaline pH and low organic matter content (<0.5%), while total dissolved solids remain below 0.5%. Mechanical properties, including cohesion and internal friction angles, fall within typical ranges for silt soils. The research highlights regional variations in plasticity (low at Samarra Barrage, medium at Wind Dam) and moisture content, influenced by seasonal conditions. This analysis provides critical insights into the sediment composition and behavior, relevant for geotechnical assessments in Mesopotamian plain reservoirs.
Hydrodynamic Model-Based Evaluation of Sediment Transport Capacity for the Makhool-Samarra Reach of Tigris River
A hydrodynamic model reveals that the Makhool-Samarra Reach of the Tigris River exhibits exceptionally high sediment transport capacity (STC), particularly during high flow, with values significantly surpassing those recorded in other sections of the river and global averages. The study, employing a steady two-dimensional HEC-RAS model combined with topographical surveys, hydraulic measurements, and laboratory tests, identified that suspended sediment dominates STC, primarily consisting of clay and very fine silt, while bed material contributes negligibly. The Toffaleti sediment transport function with the Van Rijn fall velocity proved most suitable for computing sediment transport potential (STP) in this reach, which fluctuates dramatically between high and low flow conditions, underscoring the dynamic nature of sediment dynamics in this UNESCO World Heritage Site.
Impermanent Monuments, Lasting Legacies: The Dār al-Khilāfa of Samarra and Palace Building in Early Abbasid Iraq
A groundbreaking analysis of the Dār al-Khilāfa in Samarra, Iraq, challenges traditional notions of monumental permanence by examining the intentional and unintentional legacies of early Abbasid palace architecture. The study reveals that while these structures were not designed to endure indefinitely, their cultural significance and historical aura have transcended their original impermanence, offering a new lens through which to understand the dynamics of power, memory, and preservation in Islamic history. By integrating archaeological evidence with historical context, the research demonstrates how palaces like Ukhayḍir, despite their transient nature, became enduring symbols of political authority and cultural identity within the broader 'Nile to Oxus' region.
The Hydrodynamic Model using HEC-RAS: The case of Tigris River Downstream of Samarra Barrage (Iraq)
A high-fidelity hydrodynamic model of the Tigris River downstream of Samarra Barrage in Iraq demonstrates exceptional accuracy, with Nash-Sutcliffe efficiency (NSE) and coefficient of determination (R²) values near 1.0, indicating a strong match between simulated and observed discharge data. This model, developed using HEC-RAS software, was calibrated with Manning’s roughness coefficients ranging from 0.018 to 0.020, providing a reliable tool for estimating flow at ungauged locations along the river. The findings offer valuable insights into Tigris River dynamics and could support water resource management efforts in the region.
Preconceptions of the Samarra Horizon, Green Splashed Ware and Blue Painted Ware Revisited through Chinese Ceramic Imports (Eighth to Tenth Centuries)
New archaeological evidence challenges long-held assumptions about the Samarra Horizon, revealing that the visual similarities between Islamic green splashed ware and blue painted ware, as well as Chinese ceramics from the 8th to 10th centuries CE, may stem from multiple influences rather than a single origin. This study re-examines these ceramic traditions by analyzing imports found across Middle Eastern sites, highlighting the complex mutual influence between Islamic and Chinese pottery during the early Abbasid period. The research employs comparative material analysis to unpack preconceptions about stylistic development in this region.
Proposed Urban Design of the Area Surrounding the Great Samarra Mosque
A proposed sustainable urban design for the area surrounding the Great Samarra Mosque aims to enhance tourism and economic growth by leveraging its historical significance. The research identifies key SWOT factors (strengths, weaknesses, opportunities, threats) shaping the region's potential, focusing on its archaeological importance near Al-Malwaiya. Using a descriptive and analytical methodology, the study seeks to create a cultural and recreational hub that attracts tourists, students, and scholars while preserving local materials like bricks, which have defined Iraqi architecture for centuries. The design proposal targets increasing tourism rates by transforming the area into a destination rich in heritage, meeting diverse visitor needs.
The City of Samarra Under the Abbasid State, A Bright History and Immortal Relics
Samarra, once the capital of the Abbasid State for nearly half a century, stands out as a pivotal Islamic city characterized by its opulence and historical significance. This study reveals that Samarra was not only a political hub but also a center of intellectual and artistic flourishing under the rule of eight Abbasid caliphs. It highlights the city's unique urban and historical identity, marked by grand palaces and luxurious structures that have left enduring relics despite significant destruction over time. The research employs a dual approach, examining both the historical narrative and the material antiquities to demonstrate how history is immortalized through these remnants. By synthesizing ancient and modern sources, it underscores Samarra's neglected but profound legacy in the context of the Abbasid Empire.
A Reassessment of the Location of the Mural Paintings in the Caliphal Palace of Samarra
A reassessment of the mural paintings in the Caliphal Palace of Samarra reveals their location to be more complex and widespread than previously documented. Contrary to earlier publications, these rare examples of figural decoration in an Islamic palace were found not only in private areas but also in a few public spaces within the palace complex. This finding challenges established interpretations and provides new insights into the architectural context and medieval use of the palace. The study employed a rigorous approach, analyzing archival records, museum collections, and medieval texts to reconstruct the palace's layout and contextualize the paintings' locations.
Comparative Study of Architecture of the Great Mosque at Samarra, Iraq and Ibn Tulun Mosque at Cairo, Egypt
A comparative analysis of the Great Mosque at Samarra, Iraq, and the Ibn Tulun Mosque at Cairo, Egypt reveals distinct architectural characteristics shaped by historical, geopolitical, and religious contexts. The study highlights significant differences in built form, size, shape, configuration, color, texture, materials, scale, and decorative elements, offering insights into Islamic architectural evolution during its early stages. By focusing on these two heavily restored mosques, the research provides a nuanced understanding of how regional influences, construction technologies, and cultural practices influenced mosque design. This approach underscores the role of mosque architecture as a reflection of broader societal and religious dynamics in the Islamic world.
Groundwater Impact of Samarra city agriculture areas
Rising groundwater levels in Samarra Archaeological City significantly alter soil properties, with location 5 showing the highest humidity (79–84%) and pH (7.9–8.2) at depths of 15 and 30 cm, while location 1 exhibited the lowest values (14–17% humidity, 6.8–7 pH). Electrical conductivity (EC) and bicarbonate (HCO₃) concentrations were also elevated in location 4 (4.2 dS/m EC, 20–22 mL/L HCO₃), compared to lower values in location 1 (3.9–5 dS/m EC, 16–21 mL/L HCO₃). The study analyzed soil samples from five outskirts locations using FAO and APHA standard methods, revealing distinct spatial variations in soil properties linked to groundwater dynamics.
Heavy metals (Fe, Cu, Ni, Pb, Cd, Zn, Cr) effects on soil and plants in street crossroads at Samarra city-Iraq
A study on the Samarra Archaeological City reveals significant variation in heavy metal concentrations (Fe, Cu, Ni, Pb, Cd, Zn, Cr) across soil and plant samples collected from street crossroads. Soil analysis showed the highest levels of lead (2.43 mg/kg), nickel (2.53 mg/kg), and chromium (3.83 mg/kg), while plants like citrus fruits exhibited elevated concentrations of cadmium (0.24 mg/kg) and lead (2.4 mg/kg). The research compared contaminated soil with controlled samples, highlighting the impact of urban pollution on both soil and plant life. This study underscores the need for monitoring heavy metal levels in archaeological sites to mitigate environmental and health risks.
Study the Effects of Shari Lake on the Physical and Chemical Properties for Groundwater in Samarra City
Groundwater near Shari Lake in Samarra exhibits elevated pH and sulfate levels, indicating significant influence from the lake's watershed and underlying limestone structures. The study analyzed samples from Jelam 1, Jelam 2, and other locations across Samarra, revealing that Jelam sites had the highest pH values while the SDI factory recorded the highest sulfate concentrations. These variations suggest groundwater is affected by dissolved salts and minerals, particularly due to limestone dissolution in the region's geology.
Planning and Design of Highways According to AASHTO Standards Using Remote Sensing Technology (Samarra City as a Case Study)
A proposed highway design for Samarra, Iraq, leverages remote sensing technology and AASHTO standards to optimize connectivity between Qadisiyah neighborhood and the UNESCO-listed Old City. The study achieved a high-capacity, low-cost road solution by minimizing junctions (two) and curves, using satellite imagery and specialized software (GIS & Civil 3D). This approach reduces traditional field survey costs while ensuring compliance with international design standards, offering a scalable model for urban infrastructure in heritage-rich areas.
Samarra, Madinat al-Zahra y sus irradiaciones arqueológicas
A significant parallel is drawn between the archaeological cities of Samarra (founded 836) and Madinat al-Zahra (founded 936), despite their differing scales. Both faced similar challenges in excavation, beginning around 1907/1908, due to limited prior knowledge beyond written documentation. The discovery of luster ware pottery in Madinat al-Zahra initially suggested chronological parallels with Samarra, though these were later found unsustainable. This misinterpretation had lasting implications for scientific literature, highlighting the complexities of dating and comparing ancient urban sites. The study underscores the importance of rigorous archaeological methodology to avoid such errors.
The glass walls of Samarra (Iraq): Ninth-century Abbasid glass production and imports
Advanced Abbasid glass production and imports were confirmed through high-resolution analysis of glass artefacts from Samarra, revealing distinct compositional profiles linked to local craftsmanship and selective Byzantine influences. Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) identified two related plant ash groups in architectural glass, pointing to a thriving ninth-century industry near the Abbasid capital. The study also corroborated historical accounts of glass production in Samarra while highlighting the cultural significance of luminous, reflective glass walls in Islamic palaces.
How to Found an Islamic City
A groundbreaking study on the foundation of Islamic cities reveals that urban planning in early Islam was driven by strategic and symbolic considerations, with Samarra Archaeological City serving as a key example. The research combines historical accounts and archaeological evidence to challenge conventional narratives, avoiding value judgments while providing nuanced insights into the motivations behind city foundations. Notably, Sayf b. Umar's detailed description of Kufa's establishment in 638 AD offers the most comprehensive surviving account of an early Islamic urban foundation, shedding light on the rapid post-conquest development of cities like Samarra. This work builds upon earlier scholarship, including Hourani and Stern's seminal volume, to redefine our understanding of Islamic urbanism.
Medieval Urban Landscape in Northeastern Mesopotamia
A comprehensive analysis of the medieval urban landscape in northeastern Mesopotamia reveals the existence and dynamics of over fifteen urban sites, spanning from the 6th to the 19th centuries. These settlements, located between the Great Zab, Little Zab, and Tigris rivers, exhibit remarkable preservation due to the arid steppe environment, making them highly identifiable through various types of satellite imagery. The study integrates archaeological data, historical topography, and pottery analysis from surface surveys to provide a holistic understanding of the urban network's diversity, temporal dynamics, and interrelationships within the hinterland of Baghdad and Samarra. This research offers new insights into the complex urban systems that thrived in the Near-Eastern Islamic period.
Social Media and Heritage Preservation
Social media has emerged as a powerful tool in heritage discourse, particularly in documenting and critiquing the deliberate destruction of cultural heritage during armed conflicts. The study highlights how social media platforms have been used to record and discuss the tragic loss of heritage, such as the destruction of UNESCO World Heritage Sites like Ashur (Qal’at Shergat) and Samarra Archaeological City by militant groups like ISIS. This research also explores the role of international organizations, including UNESCO, in condemning these actions as war crimes and leveraging social media to raise global awareness and organize action against heritage destruction.
Checkpoints as Gendered Spaces
Checkpoints in urban landscapes serve as gendered spaces, reflecting the complexities of war, cities, and national heritage. This study challenges traditional archaeological methods by using memory and personal experiences as data, offering a new approach that transcends the limitations of conventional archival research. Focusing on Samarra Archaeological City alongside Baghdad, Najaf, and Karbala, the research documents ethnographic experiences from 2009 onward, revealing how checkpoints symbolize fractured heritage in conflict-affected regions. The findings highlight the intersection of materiality, space, and lived experiences, providing a critical lens to understand the impact of war on urban landscapes and cultural identity.
Polarimetric Multifrequency and Multi‐incidence SAR Sensors Analysis for Archaeological Purposes
A comparative analysis of ALOS PALSAR and RADARSAT-2 satellite sensors reveals distinct advantages for detecting shallow underground archaeological structures, with RADARSAT-2's higher spatial resolution (9 m) offsetting PALSAR's deeper soil penetration (L-band). This study highlights the complementary nature of these sensors in identifying superficial remains at UNESCO World Heritage Sites like Samarra and Djebel Barkal. Polarimetric SAR data analysis, supported by archaeological maps and optical satellite imagery, demonstrates the potential for remote sensing to advance archaeological research, particularly where ground-truth surveys are politically restricted.
A multi-sensor polarimetric analysis over archaeological sites
Polarimetric synthetic aperture radar (SAR) analysis reveals distinct configurations for optimal detection of archaeological structures. Comparing RADARSAT-2 and ALOS-PALSAR data at similar incidence angles (23.10°, 26.20°, and 27.07°), researchers identified that varying RADARSAT-2 incidence angles (27° vs. 45°) significantly enhances subsurface feature visibility in UNESCO-listed Samarra, Iraq, and Gebel Barkal, Sudan. This multi-sensor approach demonstrates that adjusting radar incidence angle can improve the identification of buried structures, offering a non-invasive method for archaeological mapping.
You are here:
World Heritage Explorer > World Heritage Research > World Heritage Sites > Samarra Archaeological City